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. |
The gas believed to be the cause of explosion in coal mines or damp fire is |
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Answer» methane |
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| 2. |
The Gabriel synthesis is a method to generate primary |
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Answer» nitriles |
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| 4. |
The flux that can be used for the removal of hasic impurities like Cound Fe from anore is (are) |
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Answer» `SiO_(2)` |
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| 6. |
The fungicide 'cerresan' is |
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Answer» `C_(2)H_(5)HgCl` |
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| 7. |
The furance which gives highest temperature is ____ . |
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Answer» BLAST FURNACE |
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| 8. |
The functional isomer of CH_(3)CH_(2)CH_(2)OH is : |
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Answer» `CH_(3)UNDERSET(OH)underset("|")(CH)CH_(3)` |
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| 9. |
The functional isomer of n-propanol is |
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Answer» 2-propanol |
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| 10. |
The functional isomer of CH_(3)CH_(2)CH_(2)OH is _______. |
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Answer» `CH_(3)-O-CH_(2)-CH_(3)` |
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| 11. |
The functional groups present in 'salol' are: |
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Answer» `- NH_(2)` and - OR |
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| 12. |
The functional groups in cortisone are |
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Answer»
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| 14. |
The functionalgrouppresentin secondaryamineis |
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Answer» aminogroup |
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| 15. |
The functional group CONH found in protein is called as |
| Answer» Answer :D | |
| 16. |
The function of sodalime, a mixture of solid NaOH and CaO in the preparation of alkanes is : |
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Answer» to decrease the RATE of reaction |
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| 17. |
Thefunction of sodium( a mixtureof solidNaOH andsolidCaO) in thedecoboxylationreactionis : |
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Answer» toincreasethe rateofreaction |
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| 18. |
The function of sand in mortar is : |
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Answer» to DECREASE the hardness |
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| 19. |
The function of potassium ethyl xanthate in froth floatation process is to make the ore |
| Answer» Solution :water repellant | |
| 20. |
The function of potassium ethyl xanthate in frotht floatatation process is to make the ore |
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Answer» ATTRACTED towards water |
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| 21. |
Function of potassiumethylxanthate infroth floatationprocessis to makethe ore |
| Answer» Answer :B | |
| 22. |
Thefunction ofpotassiumethyl xanthatein froth - floatationprocessis to makethe ore. |
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Answer» attrachedtowardswater |
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| 23. |
The function of negative catalyst is: |
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Answer» To remove the ACTIVE INTERMEDIATE from the reaction |
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| 24. |
The function of glucose is to |
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Answer» PROVIDES energy |
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| 25. |
The function of flux is...... |
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Answer» to carry out reduction. |
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| 26. |
The function of Fe(OH)_(3) in the contact process is : |
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Answer» to detect COLLOIDAL impurity |
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| 27. |
The function of Fe(OH)_(3) in the contact process is |
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Answer» To DETECT COLLOIDAL impurity |
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| 28. |
The function of FeCl_3in the conversion of Fe(OH)_3precipitate into a colloid is _______. |
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Answer» peptising AGENT |
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| 29. |
The function of fat in the body is to act |
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Answer» Reservefood |
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| 30. |
The function of enzymes in the living system is to |
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Answer» TRANSPORT oxygen |
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| 31. |
The function of enzymes in the living system is to : |
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Answer» TRANSPORT oxygen |
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| 32. |
Discuss the structure and function of DNA. |
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Answer» PROTEIN synthesis |
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| 33. |
The function of DNA is : |
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Answer» To SYNTHESISE RNA |
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| 34. |
The function of DNA in an organism is |
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Answer» To assit in the SYNTHESIS of RNA molecule |
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| 35. |
The function of boiling the sodium extract with conc. HNO_3 before testing for halogens is |
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Answer» to MAKE solutionclear |
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| 36. |
The function of boiling the sodium extract with conc. HNO_3 before testing for halogens is : |
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Answer» To MAKE SOLUTION clear |
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| 37. |
The function of anyhydrous aluminium chloride in the Friedel-Crafts reaction is to |
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Answer» ABSORB water |
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| 38. |
The function of anhydrous AlCl_3 in the Friedel-Craft's reaction is to |
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Answer» ABSORB water |
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| 39. |
The function of anhydrous AlCl_3 in the friedel - craft reaction is to |
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Answer» ABSORB water |
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| 40. |
The function of an enzyme in a reaction of the type A+B hArr C+D is to decreases: |
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Answer» EQUILIBRIUM constant |
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| 41. |
The function of AlCl_3 in Friedel-Craft's reaction is: |
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Answer» To ABSORB water |
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| 42. |
The function of adding cryolite in the electrolytic reduction of alumina by Hall Herault process is |
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Answer» Dissolve ALUMINA (a) Dissolve alumina `""` (b) Lower the melting point of alumina (c) Lower the fuel boiling point `""` (d) Increases the electrical conducivity of alumina |
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| 43. |
The function of AlCl_(3) (anhydrous) in the Friedel Carft's alkylation reaction is to : |
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Answer» to absorb HCl `CH_(3)Cl+AlCl_(3) to CH_(3)^(+)+AlCl_(4)^(-)` or `RCl+AlCl_(3) to R^(+)+AlCl_(4)^(-)` |
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| 44. |
The function of adding cryolite in the clectrolytic reduction of alumina by Hall–Héroultprocess is to |
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Answer» dissolve alumina |
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| 45. |
The function of a salt bridge is |
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Answer» to provide a link between TWO HALF CELLS |
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| 46. |
The function group present in cresol is |
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Answer» AMINO GROUP |
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| 47. |
The function group which is found in amino acids is -COOH.TRUE/FALSE |
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Answer» |
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| 48. |
The functinality of propene and adipic acid respectively are |
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Answer» 1,1 |
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| 49. |
The funciton of adding cryolite in the electrolytic reduction of alumina by Hall-Heroult process is to : |
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Answer» DISSOLVE alumina |
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