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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Fill in the blanks : (i) Glucose overset("zymase")(to) (iv) CH_(3) overset(CH_(3))overset(|)(CH)OCH_(2) CH_(3) overset(HI)(to)? (v) Phenol + Zn (dust) to Phenol + Na to (vii) R_(2)CHOH + HCI + underset(("anhydrous"))(ZnCI_(2)) to R_(2) CHCI +....... (viii) R - CHOH - R overset([O])(to) (ix) CH_(3) - overset(OH)overset(|)(CH) - CH_(3) overset(SOCI_(2))(to) CH_(3) - overset(CI)overset(CH)-CH_(3) + (x) CH_(3) - CH_(2) - OH overset("Bleaching powder")(to) |
Answer» Solution :`C_(2)H_(5)OH`(ii)  (iii)  (IV) `(CH_(3))_(2) CHOH` and `CH_(3)CH_(2)I` (v) `C_(6)H_(6)` (VI) `C_(6) H_(5) ON a` (vii) `H_(2) O`(viii) `R - overset(O)overset(||)(C ) - R` (ix) `SO_(2)`(x) `CHCI_(3)` |
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| 2. |
Fill in the blanks (i) Equivalent wt. of a substance divided by 96500 gives_____ of the substance (ii) The weight deposited by one coulomb of electricity is called____ of the substance (iii) One faraday is the charge present on ______of electrons (iv) One faraday passed through CuSO_(4) sol. deposits_____ of Cu. |
| Answer» Solution :(i) electtrochemical equivalent, (ii) ELECTROCHEMICAL equivalent, (iii) ONE mole, (IV) `(1)/(2)` mole | |
| 3. |
Fill in the blanks. Conc. H_2SO_4 chars paper, wood and sugar by removing _________ from them. It is also known as _________. It is manufactured by ______ process. It is a strong __ and __ acid. |
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Answer» SOLUTION :CONCENTRATED `H_2SO_4` acts as strong dehydrating agent. It is also CALLED oil of vitriol, obtained by CONTACT PROCESS and is dibasic A-`H_2O`, B-Oil of vitriol, C-contact , D-oxidising , E-dibasic |
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| 4. |
Fill in the blanks choosing appropriate words given in brackets :(Sodium chloride, Caesium chloride, copper, diamond, graphite, ions, atoms, close, 74%, 68%. Both cop and hcp are .......... packings and occupy about……………...... % of the available space. |
| Answer» SOLUTION :CLOSE , 74% | |
| 5. |
Fill in the blanks choosing appropriate words given in brackets :(Sodium chloride, Caesium chloride, copper, diamond, graphite, ions, atoms, close, 74%, 68%. The crystal of diamond is made up .................. while that of sodium chloride is made up of .............. |
| Answer» SOLUTION :ATOMS, IONS | |
| 6. |
Fill in the blanks choosing appropriate words given in brackets :(Sodium chloride, Caesium chloride, copper, diamond, graphite, ions, atoms, close, 74%, 68%. The crystal of diamond is made of .............. while that of calcium chloride is made of .............. |
| Answer» SOLUTION :ATOMS , IONS | |
| 7. |
Fill in the blanks choosing appropriate words given in brackets :(Sodium chloride, Caesium chloride, copper, diamond, graphite, ions, atoms, close, 74%, 68%. Crystals of ....... and ............. have face centred cubic lattices. |
| Answer» SOLUTION :CAESIUM CHLORIDE , NACL | |
| 8. |
Fill in the blanks by putting appropriate choices. Blood is a colloidal solution of an overset((i))(__________) substance. The stypic action of overset((ii))(__________) and overset((iii))(__________) solution is due to overset((iv))(__________) of blood forming a clot which stops further bleeding . |
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Answer» `{:("(i)","(ii)","(iii)","(IV)"),("albumoid","ALUMINIUM","ferrous chloride","peptization"):}` |
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| 9. |
Fill in the blanks by suitable choices. The carbon atom in carbonyl group is _____ hybridised. The carbonyl group in aldehydes and ketone undergoes____. The carbonyl group in aldehydes and ketones undergoes ______ reactions. Aldehydes which have alpha-H atom undergo ______ reaction while aldehydes which have no alpha-H atom undergo ______ reaction. |
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Answer» `SP^(3)`nucleophilic SUBSTITUTIONS, aldol CONDENSATION, Cannizzaro |
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| 10. |
Fill in the blanks by choosing the correct option. Order of the reaction is the underline(X) of the powers to which concentration terms are raised in experimentally determined rate equation. The unit of first order rate constant is underline(Y). The unit of first order rate constant when concentration measured in terms of pressure and time in minutes is underline(Z) |
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Answer» `X to` product, `Y to mol L^(-1)"TIME"^(-1), Z to "atm" "min"^(-1)` |
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| 11. |
Fill in the blanks by choosing the correct option . Metals often occur in ___x___ condition. Individual crystals are randomly oriented so a metallic sample may appear to be __y___ even though a single crystal is __z__ |
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Answer» x-crystalline , y-isotropic , z-anisotropic |
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| 12. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , specific , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) Enzymes are highly.........in action. |
| Answer» SOLUTION :SPECIFIC | |
| 13. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, negative , dispersed phase , dispersion medium , positive , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) A catalyst which enhances the rate of the reaction is called a ..................... catalyst while which decreases its speed is called a ...................... catalyst. |
| Answer» SOLUTION :POSITIVE, NEGATIVE | |
| 14. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , adsorption , coagulates, emulsion , gel, gold number, tyndall effect, protective colloids, electrodialysis ) Heterogeneous catalysis is successfully explained by............................. theory. |
| Answer» SOLUTION :ADSORPTION | |
| 15. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, active, dispersed phase , dispersion medium , free , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) Rough surfaces have more.......centres on account of ........ unsatisfied valencies. |
| Answer» SOLUTION :ACTIVE, more | |
| 16. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , heterogeneous, coagulation , coagulates, emulsion , gel , homogeneous , Tyndall effect , protective colloids , electrodialysis) Intermediate compound formation theory explains ......... catalysis. |
| Answer» SOLUTION :HOMOGENEOUS | |
| 17. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , product, electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) In autocatalysis, one of the.......... of the reaction acts as a catalyst. |
| Answer» SOLUTION :PRODUCTS | |
| 18. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) Enzymes are highly.........in action. |
| Answer» SOLUTION :SPECIFIC | |
| 19. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) A catalyst which enhances the rate of the reaction is called a........catalyst while which decreases its speed is called a.......catalyst. |
| Answer» SOLUTION :POSITIVE, NEGATIVE | |
| 20. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) Heterogeneous catalysis is successfully explained by...... theory. |
| Answer» SOLUTION :ADSORPTION | |
| 21. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) Intermediate compound formation theory explains ......... catalysis. |
| Answer» SOLUTION :HOMOGENEOUS | |
| 22. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) Rough surfaces have more.......cenres on account of ........ unsatisfied valencies. |
| Answer» SOLUTION :ACTIVE, more | |
| 23. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) In autocatalysis, one of the.......... of the reaction acts as a catalyst. |
| Answer» SOLUTION :PRODUCTS | |
| 24. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) By using light, a colloidal solution can be differentiated from a true solution by .............. effect. |
| Answer» SOLUTION :TYNDALL | |
| 25. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) On adding a few drops of dilute ferric chloride solution to freshly precipitated ferric hydroxide, a red colloidal solution is obtained. The phenomenon is known as ........ |
| Answer» SOLUTION :PEPTIZATION | |
| 26. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) Alum is widely used for water purification because it ............ the mud particles. |
| Answer» SOLUTION :COAGULATES | |
| 27. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) Colloidal solutions are heterogeneous and consist of two phases, namely (i).......and (ii)............ |
| Answer» SOLUTION :DISPERSION MEDIUM, DISPERSED PHASE | |
| 28. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) The phenomenon of scattering of light by colloidal particles is referred to as........... |
| Answer» SOLUTION :TYNDALL EFFECT | |
| 29. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) The movement of dispersion medium under the influence of an electric field is called..... |
| Answer» SOLUTION :electro-osmosis | |
| 30. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) The protective action of different colloids is compared in terms of.......... |
| Answer» SOLUTION :GOLD NUMBER | |
| 31. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) The lyophilic colloids which stabilize a lyophobic sol are known as...... |
| Answer» SOLUTION :PROTECTIVE COLLOIDS | |
| 32. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) The phenomenon of precipitation of a colloidal solution by the addition of an electrolyte is known as........... |
| Answer» SOLUTION :COAGULATION | |
| 33. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) The colloidal solution of a liquid in a liquid is called..... |
| Answer» SOLUTION :EMULSION | |
| 34. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) The process of converting a suspension into a colloidal solution on the addition of an electrolyte is called............. |
| Answer» SOLUTION :PEPTIZATION | |
| 35. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) Migration of colloidal particles under the influence of electric field is known as.......... |
| Answer» SOLUTION :ELECTROPHORESIS | |
| 36. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) The process of purifying a colloidal solution by placing it in a parchment bag kept in water is called............ |
| Answer» SOLUTION :DIALYSIS | |
| 37. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) Brownian movement is due to unequal bombardment of molecules of..........on the colloidal particles. |
| Answer» SOLUTION :DISPERSION MEDIUM | |
| 38. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets.(dialysis, peptization , dispersed phase , dispersion medium , electrophoresis , electro-osmosis , coagulation , coagulates, emulsion , gel , gold number , Tyndall effect , protective colloids , electrodialysis) The process of separating a crystalloid from a colloid by diffusion through a semipermeable membrane is....... |
| Answer» SOLUTION :DIALYSIS | |
| 39. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets : (Natural, synthetic, step-growth, chain-growth, natural rubber, synthetic rubber, melamine, cynoethene, thermo, thermosetting, addition, condensation, hydrogen bonds, van der Waals', 373-573, 543, 100, 10, benzoyl peroxide, acetyl peroxide, amide, butadiene, natrium, dimethyl terephthalate) Acrylon has the formula ........ |
| Answer» SOLUTION :`(--CH_2 - UNDERSET(CN)underset(|)CH--)_n` | |
| 40. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets : (Natural, synthetic, step-growth, chain-growth, natural rubber, synthetic rubber, melamine, thermo, thermosetting, addition, condensation, hydrogen bonds, van der Waals', 373-573, 543, 100, 10, benzoyl peroxide, acetyl peroxide, amide, butadiene, natrium, dimethyl terephthalate) Nylon-6,6 is an example of ............. polymers. |
| Answer» SOLUTION :CONDENSATION | |
| 41. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets : (Natural, synthetic, step-growth, chain-growth, natural rubber, synthetic rubber, melamine, thermo, thermosetting, addition, condensation, hydrogen bonds, van der Waals', 373-573, 543, 100, 10, benzoyl peroxide, acetyl peroxide, amide, butadiene, natrium, dimethyl terephthalate) Such polymers which have .......... linkage are known as polyamides. |
| Answer» SOLUTION :AMIDE `(-CONH_2)` | |
| 42. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets : (Natural, synthetic, step-growth, chain-growth, natural rubber, synthetic rubber, melamine, thermo, thermosetting, addition, condensation, hydrogen bonds, van der Waals', 373-573, 543, 100, 10, benzoyl peroxide, acetyl peroxide, amide, butadiene, natrium, dimethyl terephthalate) In the synthesis of terylene, ...........can be used instead of terephthalic acid for better yield. |
| Answer» SOLUTION :DIMETHYL TEREPHTHALATE | |
| 43. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets : (Natural, synthetic, step-growth, chain-growth, natural rubber, synthetic rubber, melamine, thermo, thermosetting, addition, condensation, hydrogen bonds, van der Waals', 373-573, 543, 100, 10, benzoyl peroxide, acetyl peroxide, amide, butadiene, natrium, dimethyl terephthalate) Acrilon has the formula ........ |
| Answer» SOLUTION :`(--CH_2 - UNDERSET(CN)underset(|)CH--)_n` | |
| 44. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets : (Natural, synthetic, step-growth, chain-growth, natural rubber, synthetic rubber, melamine, thermo, thermosetting, addition, condensation, hydrogen bonds, van der Waals', 373-573, 543, 100, 10, benzoyl peroxide, acetyl peroxide, amide, butadiene, natrium, dimethyl terephthalate) When tetrafluoroethylene is subjected to polymerization in presence of ........, PTFE is formed. |
| Answer» SOLUTION :ACETYL PEROXIDE | |
| 45. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets : (Natural, synthetic, step-growth, chain-growth, natural rubber, synthetic rubber, melamine, thermo, thermosetting, addition, condensation, hydrogen bonds, van der Waals', 373-573, 543, 100, 10, benzoyl peroxide, acetyl peroxide, amide, butadiene, natrium, dimethyl terephthalate) Polystyrene is formed by the polymerization of styrene in presence of ........... as initiator. |
| Answer» SOLUTION :BENZOYL PEROXIDE | |
| 46. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets : (Natural, synthetic, step-growth, chain-growth, natural rubber, synthetic rubber, melamine, thermo, thermosetting, addition, condensation, hydrogen bonds, van der Waals', 373-573, 543, 100, 10, benzoyl peroxide, acetyl peroxide, amide, butadiene, natrium, dimethyl terephthalate) Polythene is an example of ...........polymer. |
| Answer» SOLUTION :ADDITION | |
| 47. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets : (Natural, synthetic, step-growth, chain-growth, natural rubber, synthetic rubber, melamine, thermo, thermosetting, addition, condensation, hydrogen bonds, van der Waals', 373-573, 543, 100, 10, benzoyl peroxide, acetyl peroxide, amide, butadiene, natrium, dimethyl terephthalate) Nylon-6 is an example of ............. polymers. |
| Answer» SOLUTION :CONDENSATION | |
| 48. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets : (Natural, synthetic, step-growth, chain-growth, natural rubber, synthetic rubber, melamine, thermo, thermosetting, addition, condensation, hydrogen bonds, van der Waals', 373-573, 543, 100, 10, benzoyl peroxide, acetyl peroxide, amide, butadiene, natrium, dimethyl terephthalate) Polymerization of ethene at .......... K temperature and ......... atomospheric pressure in presence of O_2 forms polythene. |
| Answer» SOLUTION :373-573, 100 | |
| 49. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets : (Natural, synthetic, step-growth, chain-growth, natural rubber, synthetic rubber, melamine, thermo, thermosetting, addition, condensation, hydrogen bonds, van der Waals', 373-573, 543, 100, 10, benzoyl peroxide, acetyl peroxide, amide, butadiene, natrium, dimethyl terephthalate) In fibres, the chains are held together by ..........bonds. |
| Answer» SOLUTION :HYDROGEN BONDS | |
| 50. |
Fill in the blanks by choosing the appropriate word/words from those given in the brackets : (Natural, synthetic, step-growth, chain-growth, natural rubber, synthetic rubber, melamine, thermo, thermosetting, addition, condensation, hydrogen bonds, van der Waals', 373-573, 543, 100, 10, benzoyl peroxide, acetyl peroxide, amide, butadiene, natrium, dimethyl terephthalate) Elastomers are the polymers in which the polymer chains are held together by weak ........ forces. |
| Answer» SOLUTION :VAN DER WAALS. | |