NMAT - General Chemistry 1000+ MCQ [Solved] PDF Download

1. BHC is a
A. Rodenticide
B. Herbicide
C. Pesticide
D. Fungicide
Answer : C

2. The hormone which absorption is increases glucose oxidation and glucose
A. adrenalin
B. thyroxin
C. insulin
D. epinephrine
Answer : C

3. Temporary hardness is due to the presence of
A. calcium carbonate
B. calcium bicarbonate
C. magnesium sulphate
D. calcium sulphate
Answer : B

4. Compounds containing only carbon and hydrogen are called
A. carbohydrates
B. carbides
C. hydrocarbons
D. carbonyls
Answer : C

5. In addition to nitric acid, another acid which may render iron passive is
A. acetic acid
B. oxalic acid
C. chromic acid
D. citric acid
Answer : C

6. 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

7. Which of the following carbon compounds is used as a fire extinguisher?
A. Carbon disulphide
B. Chloroform
C. Carbon tetrachloride
D. Methylene chloride
Answer : C

8. The principle involved in dialysis, a treatment administered to patients with affected kidneys is
A. Cataphoresis
B. Osmosis
C. Dehydration
D. Diffusion
Answer : B

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

10. Which of the following is not a chemical change?
A. Burning of magnesium ribbon in air
B. Distillation of water
C. Heating of cane sugar
D. Setting of cement
Answer : B

11. The number of neutrons in the nucleus of an atom of mass A and atomic number Z is given by
A. A - Z
B. A + Z
C. Z
D. A
Answer : A

12. The earliest name given to nitrogen was
A. dephlogisticated air
B. azote
C. inflammable air
D. marine acid air
Answer : B

13. Cholesterol is
A. a carbohydrate
B. a protein
C. a lipid
D. a hormone
Answer : C

14. The most abundant constituent in air is
A. hydrogen
B. nitrogen
C. oxygen
D. noble gases
Answer : B

15. Metals are usually heavy. A light metal is
A. manganese
B. copper
C. potassium
D. plumbum
Answer : C

16. Boiler scales' contain
A. calcium carbonate
B. magnesium bicarbonate
C. calcium sulphate
D. magnesium sulphate
Answer : A

17. LSD is
A. an anaesthetic
B. a psychedelic drug
C. an antipyretic
D. an antibiotic
Answer : B

18. A metal which is extracted by thermal reduction is
A. nickel
B. aluminium
C. mercury
D. calcium
Answer : C

19. In the mouth, starch is converted into ______ by the action of saliva.
A. sucrose
B. glucose
C. fructose
D. mannose
Answer : D

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

21. Rusting is a special case of corrosion applied to
A. nickel
B. tin
C. iron
D. chromium
Answer : C

22. Ozone is an allotrope of Oxygen, containing ______ atom/s of oxygen per molecule instead of two.
A. three
B. four
C. one
D. five
Answer : A

23. Grape sugar is another name for
A. glucose
B. fructose
C. sucrose
D. maltose
Answer : A

24. According to the modern Periodic Law, the properties of elements are periodic functions of their
A. valency
B. atomic mass
C. number of neutrons
D. atomic number
Answer : D

25. Clark's method for removal of temporary hardness in water uses
A. calcium hydroxide
B. washing soda
C. calcium chloride
D. zeolite
Answer : A

26. Argyrol used as eye ointment is a solution of
A. hydrogen peroxide
B. silver nitrate
C. tincture iodine
D. m-cresol
Answer : B

27. Which one of the following is present in the largest amount in terms of per cent by mass in the earth's crust?
A. Silicon
B. Oxygen
C. Carbon
D. Calcium
Answer : B

28. The purest form of carbon is
A. animal charcoal
B. coal
C. wood charcoal
D. sugar charcoal
Answer : D

29. The scientist who synthesised the first organic compound (urea) in the laboratory was
A. Wohler
B. Dalton
C. Lavoisier
D. Fischer
Answer : A

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

31. The gas evolved when ammonium nitrate is heated is
A. nitrogen
B. nitric oxide
C. nitrogen peroxide
D. nitrous oxide
Answer : D

32. Vinegar is the trade name for
A. chloroform
B. acetic acid
C. phenol
D. carbon tetrachloride
Answer : B

33. The malarial parasite was discovered by
A. Sir Ronald Ross
B. Sir Francis Haig
C. Dr Jagadish Chandra Bose
D. Sir CV Raman
Answer : A

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

35. Heated saw dust catches fire when a drop of concentrated nitric acid is added to it. This is due to
A. dehydration
B. oxidation
C. reduction
D. dehydrogenation
Answer : B

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

37. Which among the following is a local anaesthetic?
A. Chloroform
B. Morphine
C. Streptomycin
D. Cocaine
Answer : D

38. Lead pencils contain
A. white lead
B. graphite
C. red lead
D. coke
Answer : B

39. PAS is a drug used In the treatment of
A. tuberculosis
B. cancer
C. typhoid
D. malaria
Answer : A

40. A light alloy having high tensile strength is
A. German silver
B. solder
C. magnalium
D. bell metal
Answer : C

41. The process of heating steel to bright red heat and cooling suddenly by plunging it into water is known as
A. annealing
B. hardening
C. quenching
D. tempering
Answer : B

42. Bordeaux mixture contains
A. copper sulphate and water
B. copper sulphate, lime and water
C. thio-urea and lime
D. copper sulphate and thio-urea
Answer : B

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

44. The alloy which is extremely hard and resistant to acids is
A. chrome steel
B. silicon steel
C. stainless steel
D. invar
Answer : B

45. In the making of jewels, gold is usually mixed with
A. zinc
B. tin
C. copper
D. aluminium
Answer : C

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

47. Artificial diamonds were produced by
A. Moissan
B. Davy
C. Faraday
D. Marie Curie
Answer : A

48. The human body contains about
A. 50% water
B. 10% water
C. 70% water
D. 20% water
Answer : C

49. The Long Form of the Periodic Table is based on
A. atomic number
B. valency
C. atomic mass
D. atomic radius
Answer : A

50. The raw materials required for the manufacture of glass are
A. silica, sodium nitrate and soda ash
B. silica, limestone and sodium nitrate
C. silica, sodium oxide and limestone
D. silica, soda ash and limestone
Answer : D