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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. |
Nametwo water soluble vitamins, theirsourceand thediseases caused due totheir deficiency indiet . |
| Answer» Solution :`{:(,"Vitamin","Source","Deficincy disease"),(,"Vitamin" B_(1), " Yeast , milk,green"," Beri-beri"),(,"(Thiamine)","vegetables and CEREALS","(loss of appetite)"),(,"Vitamin C", "CITROUS fruits,AMLA","Scurvy"),(,"(Ascorbic acid)","andgreen leafy vegetable","(BLEEDING gums)"):}` | |
| 3. |
Nametwowater solublevitamin, theirsources and thediseases causeddue totheirdeficiencyin diet . |
Answer» SOLUTION :
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| 4. |
Name two types of the drugs classified on the basis of pharmacological effect. |
| Answer» SOLUTION :ANALGESICS, ANTISEPTICS. | |
| 5. |
Name two types of adsorption phenomenon. |
| Answer» SOLUTION :PHYSISORPTION, CHEMISORPTION. | |
| 6. |
Name two types of adsorption henomenon. |
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| 8. |
Name two thermoplastics |
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Answer» SOLUTION :THERMOPLASTICS- POLY ETHYLENE Poly PROPYLENE |
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| 10. |
Name two reducing agnts which are used as reducing agents for the reudction of oxides into metals. |
| Answer» SOLUTION :CARBON (COKE) or CO (carbon MONOXIDE). | |
| 11. |
Name two refining techniques of metals. |
| Answer» SOLUTION :ELECTROLYSIS and ZONE REFINING. | |
| 12. |
Name two reagents which can be used to distinguish acetaldehyde from acetone? |
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Answer» Solution :Acetaldehyde reduces tollens' reagent to produce shining silver mirror and PRODUCES red ppt. of `Cu_(2)O` with Fehling's solution. `underset("Acetaldehyde")(CH_(3)CHO)+underset("Tollens' reagent")(2[Ag(NH_(3))_(2)]^(+))+3OH^(-) to underset("Acetone ion")(CH_(3)COO^(-))+ underset("Silver mirror")(2Agdarr)+4NH_(3)+2H_(2)O` `CH_(3)CHO+underset("Fehling's reagent")ubrace(2CU^(2+)+5OH^(-)) to underset("Acetate ion")(CH_(3)COO^(-))+underset("Red ppt.")(Cu_(2)O darr) +3H_(2)O` Acetone, on the other hand, does not give these tests. |
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| 13. |
Name two poisonous gases which can be prepared from chlorine gas. |
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Answer» SOLUTION :Two poisonous gases which can be prepared from `Cl_(2)` are (i) PHOSGENE (ii) MUSTARD gas. These are prepared as follows : (i) `CO + Cl_(2) overset("hv, charcoal")RARR underset("Phosgene")(COCl_(2))` (ii) `Cl_(2)` is passed through BOILING S, when `S_(2)Cl_(2)` is formed. This when reacted with ethene gives mustard gas.
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| 14. |
Name two oxoacids of nitrogen and write the oxidation state of nitrogen in each case. |
| Answer» SOLUTION :(i) Nitrous acid `OVERSET(+3)(HNO_(2))` (ii) Nitric acid. `overset(+5)(HNO_3)` | |
| 15. |
Name two of the different types of RNA molecules found in cells of organisms. |
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| 16. |
Name two of the different types of RNA molecules found in the cells of organisms. |
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Answer» SOLUTION :(i) TRANSFER RNA (-RNA) (II) MESSENGER RNA (M-RNA). |
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| 17. |
Name two most efficient close packed lattices. |
| Answer» SOLUTION :HEXAGONAL close-packed (HEP) and CUBIC close-packed (CCP). | |
| 18. |
Name two methods which are commonly used to convert gtC=O grou into a gtCH_(2) group. |
| Answer» SOLUTION :CLEMMENSEN REDUCTION and Wolff-Kishner reduction. | |
| 19. |
Name the method of manufacturing H_2SO_4. |
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Answer» SOLUTION :LEAD CHAMBER PROCESS CONTACT process |
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| 20. |
Name two metals which have significant ancient Indian contribution. |
| Answer» SOLUTION :ZINC and high-carbon STEEL. | |
| 22. |
Name two materials other than hydrogen that can be used as fuels in fuel cells. |
| Answer» SOLUTION :METHANE `(CH_4)` and METHANOL `(CH_3OH)` | |
| 23. |
Name two industrical processes in which heterogeneous catalysts are employed. |
| Answer» Solution :HABER's process for MANUFACTURE of `NH_(3)` and contact process for manufacture of `H_(2)SO_(4).` | |
| 24. |
Name two industrial processes in which heterogeneous catalysts are employed. |
| Answer» Solution :Haber.s PROCESS for the manufacture of AMMONIA and CONTACT process for the manufacture of SULFURIC ACID. | |
| 25. |
Name two important xenon fluorides. |
| Answer» SOLUTION :XENON DIFLUORIDE `(XeF_2)`and xenon TETRAFLUORIDE `(XeF_4)` | |
| 26. |
Name two industrial processes in which heterogeneous catalysts are employed? |
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Answer» `N_(2)+3H_(2) OVERSET(FE(Mo)Delta)(RARR)2NH_(3)` (ii) Contact's process: `2SO_(2)+O_(2) overset(V_(2)O_(5))(rarr)2SO_(3)` |
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| 27. |
Name two fibrous proteins. |
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| 28. |
Nametwo fat solublevitamins , their sourceand thedisease causedbueto theirdeficiency in diet . |
| Answer» SOLUTION :`{:(,"Vitamin","SOURCES","Deficiency disease"),(,"Vitamin A" , "FISH LIVER oil,carrots","Xerophthalmia (hardening of cornea of eye)"),(,"Vitamin D","Exposureto sunlight, fishand EGG yolk","andosteomalacia (soft bones and joint pain in adults)"):}` | |
| 29. |
Name two fat soluble vitamins. |
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| 30. |
Nametwo fast solublevitamins, theirsourcesand the diseases causeddue to theirdeficiencyin diet. |
Answer» SOLUTION :
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| 31. |
Name two elements of group 15 of periodic table. |
| Answer» SOLUTION :NITROGEN and PHOSPHORUS | |
| 32. |
Name two diseases caused due to deficiency of enzymes. |
| Answer» SOLUTION :ALBINISM and PHENYL KETO UREA. | |
| 33. |
Name two discoverles of chemistry which have helpedmankind and the same discoveries have harmedthe mankind and how? |
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Answer» Solution :(i) Discovery of CHEMICAL fertilizers and insecticides. These have HELPED in the grwoth of crop but they are slow poisons for the mankind. (ii) Discovery of NUCLEAR ENERGY. It has helped in the production of electricity in nuclear reactors but in led to making of atom bomb for DESTRUCTION. |
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| 34. |
Name two compounds used as adsorbent for controlling humidity . |
| Answer» SOLUTION :SILICA GEL, ALUMINA gel | |
| 35. |
Nametwocomponentsof strach.How do theydiffer formeach otherstrcuturall? |
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Answer» SOLUTION :The two components of strach are: (a) AMYLOSE`"" ` (b) Amylopetic . Amyloseis a straightchain polymerof`ALPHA` - D - (+) GLUCOSE,whileamylopectin is branchedchain POLYMER of `alpha`- D - glucose . |
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| 36. |
Nametwocomponents of strach . Howdo they differ from each otherstructurally ? |
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Answer» Solution :The TWO componentsare : AMYLOSE andamylopectin. Amyloseis a linear polymer of `alpha` - glucosewherease AMYLOPECTIN is BRANCHED chain polymer of`alpha` - glucose. |
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| 37. |
Name two chemcal compounds used in the treatment of cancer. |
| Answer» SOLUTION :cis-platin and TAXOL. | |
| 38. |
Name two carbohydrates which act as biofuels. |
| Answer» SOLUTION :STARCH in PLANTS and GLYCOGEN in ANIMALS. | |
| 39. |
Name two bread spectrum antiblotics. |
| Answer» SOLUTION :CHLORAMPHENICOL and OFLOXACIN. | |
| 40. |
Name two bacteriostatic antibiotics. |
| Answer» SOLUTION :TETRACYCLIN and ERYTHROMYCIN. | |
| 41. |
Name two amino acids which form a dipeptide which is 100 times more sweet than cane sugar ? |
| Answer» Solution :Aspartame is an ARTIFICIAL SWEETENER. It is the METHYL ester of the dipeptide derived from aspartic acid and PHENYLALANINE. | |
| 42. |
Name two bactericidal antibiotics. |
| Answer» SOLUTION :PENICILLIN and OFLOXACIN. | |
| 44. |
Name two alpha - amino acids which form a dipeptide which is 100 times sweeter than cane sugar. |
| Answer» SOLUTION :ASPARTIC ACID and PHENYLALANINE. | |
| 45. |
Name two alpha-amino acids which form a dipeptide which is 100 times sweeter than cane sugar ? |
| Answer» Solution :Aspartame is an ARTIFICIAL sweetener. It is the methyl ESTER of the dipeptide DERIVED from ASPARTIC acid and phenylalanine. | |
| 46. |
Name two a-amino acids which form adipeptide which is 100 times more sweet than cane sugar ? |
Answer» Solution :Aspartame is the most successful and widely USED artificial sweetener. It is roughly 100 times as sweet as cane SUGAR. It is methyl ESTER of dipeptide formed from ASPARTIC acid and phenylalanine. Use of aspartame is limited to cold foods and soft drinks because it is unstable at cooking TEMPERATURE.
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| 47. |
Name tow physical quantities that remain unaffected when a reversible reaction is carried out in the presence of a catalyst. |
| Answer» SOLUTION :EQULIBRIUM CONSTANT and ENTHALPY CHANGE. | |
| 48. |
Name two allotropic forms of sulphur. |
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Answer» SOLUTION :SULPHUR RHOMBIC Sulphur MONOCLINIC |
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