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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.
| 2. |
Name any three gemstones. Give their colours and name the metals present in each of them which is responsible for the colour. |
| Answer» Solution :`{:(,"Gemstone","Colour","Metal PRESENT"),((i),"RUBY","Red","Chromium"),((II),"Topaz","YELLOW","Iron"),((iii),"Emerald","Green","Chromium"):}` | |
| 3. |
Name any one concentration dependent of temperature. |
| Answer» SOLUTION :Molal.ity (or) MOLE FRACTION. | |
| 4. |
Name any ionic solid in which both Frenkel and Schottky defects occur. |
| Answer» SOLUTION :The common example of ionic SOLID having both Frenkel and Schottky DEFECTS is of silver BROMIDE (AgBr). | |
| 5. |
Namean oxide of nitrogenthatreactswith waterto produce towacids . |
| Answer» SOLUTION :`underset("Nitrogen DIOXIDE")(2NO_(2)) + H_(2)O to underset("Nitrous ACID")(HNO_(2)) + underset("Nitric acid")(HNO_(3))` | |
| 6. |
Name an oxidising agent used in the Etard's reaction |
Answer» Solution : Benbzaldehyde can be obtained by the OXIDATION of toleune with a SOLUTIONOF chromychloride `(CrO_(2)Cl_(2))CS_(2) or C Cl_(4)`. 
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| 9. |
Name an ionisation isomer of [Cr(H_(2)O)_(5)Br]SO_(4). |
| Answer» Solution :IONISATION isomer of the GIVEN compound is `[Cr(H_(2)O)_(5)SO_(4)]Br`. Its NAME is pentaaquasulphatochrornium(III) bromide. | |
| 12. |
Name an important use of naturally occurring aldehydes and ketones. |
| Answer» SOLUTION :FLAVOURING AGENT | |
| 13. |
Name an ether which is free from moisture and alcohol. |
| Answer» SOLUTION :The ETHER which is FREE from moisture and alcohol is absolute ether. | |
| 14. |
Name an estrogen derivative which is a part of an oral contraceptive. |
| Answer» SOLUTION :ETHYNYLESTRADIOL (NOVESTROL) | |
| 15. |
Name an artificial sweetener which is derivative of sucrose. |
Answer» SOLUTION :Sacrulose is derivative of sucrose which is used as artificial sweetener. Its appearance and TASTE are like sugar. It is stable at cooking TEMPERATURE and CONTRIBUTE ZERO calories to the diet. 
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| 17. |
Name an artificial sweetener which is derivative of sucrose . |
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Answer» SACCHARINE |
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| 18. |
Name an antidepressant drug. |
| Answer» SOLUTION :IPRONIAZID. | |
| 20. |
Name along with the formulae one prominent ore of the following metals : Al, Fe, Cu and Zn. |
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Answer» Solution :Al : BAUXITE, `Al_(2)O_(3).xH_(2)O` Fe : Heamatite, `Fe_(2)O_(3)` Cu : Copper pyrite, `CuFeS_(2)` ZN : Zinc BLEND, `ZnS`. |
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| 22. |
Name a transition metal which does not exhibit variable oxidation states. |
| Answer» Solution :SCANDIUM does not EXHIBIT variable oxidation states, because it exhibits `+3` oxidation state only. +2 oxidation state is DOUBTFUL. | |
| 23. |
Name a trasition element wihich does not exhibit variable oxidation states. |
| Answer» Solution :Scandium `(Z= 2)` has the electronic configuration `3d^(1) 4S^(2)` and show an OXIDATION state of `+3` only. It does not show varible oxidation states. | |
| 25. |
Name a transition elements which does not exhibit variable oxidation states. |
| Answer» Solution :Scandium (Z= 21) does not EXHIBIT VARIABLE oxidation STATES. | |
| 26. |
Name a transition element which does not exhibit variable oxidation states. |
| Answer» SOLUTION :SCANDIUM does not EXHIBIT VARIABLE oxidatation STATES. | |
| 27. |
Name a tranquillizer? |
| Answer» Solution : VALIUM is a TRANQUILLIZER. It removes STRESS, fatigue and cures mild and SEVERE MENTAL diseases. | |
| 30. |
Name a synthetic amino compound which is used as an anaesthetic in dentistry. |
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| 31. |
Name a synthetic polymer which contains ester linkage. |
| Answer» SOLUTION :POLYMER that CONTAINS ESTER linkage : Terylene or DACRON. | |
| 32. |
Name a synthetic polymer which contains amide linkage. |
| Answer» SOLUTION :POLYMER that contains AMIDE LINKAGE : Nylon - 6, Nylon 6,6. | |
| 34. |
Namea sulphideore whichis notconcentratedbyfrothfloatationprocess. Whyisit so ? |
| Answer» Solution :Argentite( ` Ag_2 S)`. BECAUSEOF LOWAG content,it ISNOT concentratedby frothfloatationprocess. | |
| 36. |
Name a substance which inhibits free radical polymerisation. |
| Answer» SOLUTION :Benzoquinone ingibits free radical polymerisation. For structure and details, consult SECTION 2 | |
| 37. |
Name a substance which is manufactured by using ozone as an oxidising agent. |
| Answer» SOLUTION :`KMnO_4` | |
| 38. |
Name a substance which can be used as an antiseptic as well as disinfectant. |
| Answer» SOLUTION :`0.2%` solution of PHENOL ACTS as an antiseptic while its `1` solution acts as a disinfectant. | |
| 39. |
Name a substance which can be used as an antiseptic as well as disinfectant ? |
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Answer» Solution :PHENOL (a) 0.2% solution of pheno is USED as an ANTISEPTIC. (b) 1% solution of phenol is used as a disinfectant. |
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| 40. |
Name a substance that shows both Frenkel defect as well as Schottky defect. |
| Answer» SOLUTION :SILVER BROMIDE | |
| 41. |
Name a substance that can be used as an antiseptic as well as disinfectant. |
| Answer» Solution :`0.2%`solution of phenol is used as an ANTISEPTIC while `2%` solution of phenol is used as DISINFECTANT. | |
| 42. |
Name a substance that accelerates a reaction but does not undergo a change in itself. |
| Answer» SOLUTION :CATALYST | |
| 43. |
Name a solid which shows both Frenkel and Schottky defects. |
| Answer» SOLUTION :AGBR SHOWS both these DEFECTS. | |
| 45. |
Name a reagent which converts primary alcohols exclusively to corresponding aldehydes? |
Answer» SOLUTION :PYRIDINIUM CHLOROCHROMATE. 
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| 46. |
Name a polysaccharide which is usually stored in the liver of animals. |
| Answer» SOLUTION :GLYCOGEN | |
| 47. |
Name a protein which is insoluble in water. |
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| 48. |
Name a process used for the manufacture of chlorine by the oxidation of HCI. |
| Answer» SOLUTION :Deacon.s PROCESS | |
| 49. |
Name a polymer which is capable of repeatedly softening on heating and hardening on cooling . |
| Answer» SOLUTION :POLY VINYL CHLORIDE | |