General Chemistry 1000+ MCQ with answer for SSC MTS

1. Lead soaps are used in
A. shaving creams
B. adhesive tapes
C. toilet powders
D. lubricants
Answer : B

2. The Combined Gas Law equation is
A. P1V1T1 = P2 V2 T2
B. P1V1T2 = P2V2T1
C. P = P1 + P2 + P3
D. C =
Answer : B

3. 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

4. ________ is left behind after distillation of petroleum.
A. Arsenic
B. Barium
C. Benzene
D. Bitumen
Answer : D

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

6. In the nitrogen cycle, denitrifying bacteria
A. oxidise ammonia to nitrates
B. convert nitrogen into ammonia
C. oxidise ammonia to free nitrogen
D. oxidise ammonia to oxides of nitrogen
Answer : C

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

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

9. Solid carbon dioxide is used
A. as a drying agent
B. as a refrigerant
C. as an antiseptic
D. as a bleaching agent
Answer : B

10. A valuable by-product in the manufacture of soap is
A. stearic acid
B. sodium hydroxide
C. palmitic acid
D. glycerol
Answer : D

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

12. 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

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

14. The percentage of silver in German silver is
A. ten
B. twenty
C. zero
D. fifty
Answer : C

15. Annealing of glass is done in
A. a cupel
B. a long narrow chamber
C. an open furnace
D. a closed furnace
Answer : B

16. What is 'oxygen mixture'?
A. A mixture of potassium nitrate and carbon
B. A mixture of ammonium chloride and sodium nitrate
C. A mixture of potassium chlorate and manganese dioxide
D. A mixture of ammonium nitrate and charcoal
Answer : C

17. Brine is a solution of
A. sodium chloride in water
B. iodine in alcohol
C. sulphur in carbon disulphide
D. Potassium iodide in water
Answer : A

18. When ants bite, they inject
A. glacial acetic acid
B. methanol
C. formic acid
D. stearic acid
Answer : C

19. Which of the following types of water gives lather easily with soap?
A. Hard water
B. Heavy water
C. Soft water
D. Both (a) and (b)
Answer : C

20. Radium was isolated from
A. galena
B. dolomite
C. sylvine
D. pitchblende
Answer : D

21. 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

22. Which of the following is not an alloy of copper?
A. Bronze
B. Brass
C. Solder
D. Gun metal
Answer : C

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

24. Proteins are polymerisation products of
A. aldehydes
B. alkenes
C. amino acids
D. alkynes
Answer : C

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

26. A drug that is usually administered for malaria is
A. sulphanilamide
B. quinine
C. methicillin
D. novocaine
Answer : B

27. The foul odour of gasoline is due to
A. pyridine
B. hydrogen sulphide
C. cacodyl
D. carbylamines
Answer : B

28. An acid which is used as a preservative for pickles is
A. hydrochloric acid
B. citric acid
C. tartaric acid
D. acetic acid
Answer : D

29. Which of the following is not an antibiotic?
A. streptomycin
B. terramycin
C. aureomycin
D. codein
Answer : D

30. Which of the following cannot be used for the preparation of soap?
A. oleic acid
B. acetic acid
C. palmitic acid
D. stearic acid
Answer : B

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

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

33. Which of the following metals is the best conductor of heat and electricity?
A. Aluminium
B. Silver
C. Copper
D. Magnesium
Answer : B

34. Mild steel contains
A. iron with very low percentage of carbon
B. iron with high percentage of carbon
C. iron and chromium
D. iron and manganese
Answer : A

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

36. Which of the following statements regarding natural radioactivity is true?
A. It is spontaneous disintegration of atoms
B. It is induced by bombardment with projectiles
C. It is transmutation of atoms with projectiles
D. It is dependent on temperature
Answer : A

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

38. Which one of the following metals is used to extract another metal?
A. Lead
B. Tin
C. Zinc
D. Aluminium
Answer : D

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

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

41. An example of stimulant fertilizer is
A. gypsum
B. urea
C. potassium nitrate
D. ammonium phosphate
Answer : A

42. The non-metal which is electropositive is
A. chlorine
B. nitrogen
C. sulphur
D. hydrogen
Answer : D

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

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

45. Annealing of glass is carried out by
A. rapid cooling
B. rapid heating
C. slow cooling
D. slow heating
Answer : C

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

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

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

49. Which of the following is not a characteristic of potable water?
A. It must be free from suspended impurities
B. It must be free from harmful bacteria
C. It must contain traces of sodium bicarbonate
D. It must have a fishy odour
Answer : D

50. Isotopes differ in the number of
A. Protons
B. Neutrons
C. Electrons
D. Protons and electrons
Answer : B