General Chemistry MCQ Solved Paper for IBPS Clerk

1. Rayon la made from
A. cotton
B. wool
C. cellulose
D. silk
Answer : C

2. Suspended impurities in water are effectively removed by
A. adding milk of lime
B. filtering through sand
C. adding filter alum
D. chlorination
Answer : C

3. Acute diabetes patients smell of
A. acetone
B. ether
C. ethyl alcohol
D. methyl alcohol
Answer : A

4. A compound used both as a fungicide and as a disinfectant is
A. chlorine
B. carbon monoxide
C. sulphur dioxide
D. o-cresol
Answer : C

5. Which of the following is not a metal?
A. Lithium
B. Helium
C. Sodium
D. Cobalt
Answer : B

6. Rusting is
A. an oxidation process
B. a reduction process
C. a physical change
D. an electro-chemical process
Answer : D

7. In the common soda-acid fire extinguisher, the fire is put out by
A. acid fumes
B. sodium bicarbonate
C. carbon dioxide
D. sodium carbonate
Answer : C

8. In surgical operation, the anaesthetic commonly used nowadays is
A. iodoform
B. chloroform
C. nitrous oxide-ether mixture
D. chloroform-nitrous oxide mixture
Answer : C

9. During fermentation, the by-product is
A. ethyl alcohol
B. methyl alcohol
C. carbon monoxide
D. carbon dioxide
Answer : D

10. The compounds produced by plants in the process of photosynthesis are
A. carbohydrates
B. proteins
C. salts
D. fats
Answer : A

11. Diamonds are weighed in
A. grams
B. pounds
C. carats
D. tons
Answer : C

12. The gas used in balloons in the place of hydrogen is
A. nitrogen
B. helium
C. neon
D. argon
Answer : B

13. Carbogen is used in
A. CO2 poisoning
B. CO poisoning
C. phosgene poisoning
D. anesthesia
Answer : B

14. Ozone occurs in the upper layers of air in the atmosphere because
A. it is lighter than air
B. in the lower layers it becomes unstable
C. ultra-violet light is present only in the upper layers
D. it mixes freely with O2 in the upper layers
Answer : C

15. Copper is purified by
A. poling
B. tempering
C. calcination
D. galvanising
Answer : A

16. Dust particles in the air of large industrial cities are removed by
A. Sedimentation
B. Electrophoresis
C. Tyndall effect
D. Brownian movement
Answer : B

17. Deficiency of iron causes
A. nervous disorders
B. heart diseases
C. anaemia
D. impairment of vision
Answer : C

18. Which or the following is not a constituent or gun powder?
A. Ammonium nitrate
B. Nitre
C. Charcoal powder
D. Sulphur
Answer : A

19. Penicillin was discovered by
A. Alexander Fleming
B. Sir JJ Thomson
C. Dr Nessler
D. Sir John Russel
Answer : A

20. The substance most abundantly found in sea water is
A. magnesium chloride
B. sodium chloride
C. calcium sulphate
D. potassium chloride
Answer : B

21. Mortar contains cement and sand in the ratio of
A. 1 : 1
B. 1 : 2
C. 2 : 3
D. 1 : 3
Answer : D

22. The non-metal which has a shining appearance is
A. sulphur
B. phosphorus
C. iodine
D. bromine
Answer : C

23. The Carbon dioxide is absorbed by
A. Palladium
B. NaCI
C. KOH
D. Dilute H2SO4
Answer : C

24. Which of the following can absorb gases quickly?
A. Activated charcoal
B. Anthracite coal
C. Diamond
D. Graphite
Answer : A

25. Quick lime has the formula
A. CaO
B. Ca(OH)2
C. NaOH
D. Na2CO3
Answer : A

26. A form of carbon which is a good lubricant is
A. diamond
B. coke
C. graphite
D. charcoal
Answer : C

27. The science which deals with the chemistry of life processes is known as
A. electrochemistry
B. physical chemistry
C. biochemistry
D. tinctorial chemistry
Answer : C

28. Optical instruments are made of
A. pyrex glass
B. flint glass
C. quartz glass
D. Crooke's glass
Answer : C

29. Which of the following is an essential constituent of acids?
A. Oxygen
B. Nitrogen
C. Hydrogen
D. Chlorine
Answer : C

30. Galvanising is coating Iron with
A. nickel
B. zinc
C. chromium
D. copper
Answer : B

31. Invert sugar is
A. sucrose
B. glucose
C. fructose
D. a mixture of glucose and fructose
Answer : D

32. A common rodenticide is (Rat Poison)
A. malathion
B. parathion
C. zinc phosphide
D. diuron
Answer : C

33. A mixture of naphthalene and sand is separated by
A. evaporation
B. using a magnet
C. sublimation
D. sedimentation
Answer : C

34. Riboflavin deficiency causes
A. tongue inflammation
B. pellagra
C. night blindness
D. anaemia
Answer : A

35. The oldest known organic compound is
A. urea
B. methane
C. acetic acid
D. benzene
Answer : C

36. The simplest hydrocarbon is
A. benzene
B. methane
C. ethane
D. butane
Answer : B

37. The form of carbon used in decolourising sugar solution is
A. wood charcoal
B. animal charcoal
C. coconut charcoal
D. lamp black
Answer : B

38. Which one of the following is used for dry cleaning?
A. Kerosene oil
B. Diesel oil
C. Lubricating oil
D. Petroleum ether
Answer : D

39. The soaps used in shaving cream are
A. calcium soaps
B. lead soaps
C. soft soaps
D. hard soaps
Answer : C

40. The compound which is both an antiseptic and a disinfectant is
A. phenol
B. iodoform
C. bleaching powder
D. blue vitriol
Answer : A

41. The kinetic energy of gas molecules
A. is unaffected by temperature variations
B. decreases with increase of temperature
C. increases with decrease of temperature
D. increases with increase of temperature
Answer : D

42. The function of nitrogen in air is
A. to make air a moderate supporter of combustion
B. to maintain the density of air constant
C. to prevent the hydrogen in air from exploding
D. to reduce the poisonous nature of ozone in air
Answer : A

43. An antipyretic is a drug used
A. in the treatment of malaria
B. to relieve sleepiness
C. to induce sleep
D. to lower body temperature
Answer : D

44. Which of the following cannot be used as fuel?
A. Gasoline
B. Kerosene
C. Sulphuric acid
D. Alcohol
Answer : C

45. The scientist associated with the discovery of the nucleus was
A. Rutherford
B. Moseley
C. Niels Bohr
D. J.J. Thomson
Answer : A

46. Water has an unusually high bolling point because
A. its molecular weight is low
B. it is denser than ice
C. it is a good solvent for many ionic substances
D. the molecules of water are joined by hydrogen bonds
Answer : D

47. The modern system of symbols was evolved by
A. Dalton
B. Cavendish
C. Avogadro
D. Berzelius
Answer : D

48. A non-metal which is a good conductor of electricity is
A. graphite
B. phosphorus
C. sulphur
D. iodine
Answer : A

49. Consider the following statements: Hard water is not suitable for
1) drinking
2) washing clothes with soap
3) use in boilers
4) irrigating crops
Which of these statements are correct?
A. 1 and 3
B. 2 and 3
C. 1, 2 and 4
D. 1, 2, 3 and 4
Answer : D

50. Harmful bacteria in drinking water cannot be destroyed by
A. chlorination
B. boiling
C. adding caustic soda
D. ozonisation
Answer : C