Chemistry MCQs /E book Library part 7

61. The blister form of copper is ____________ form.
(A) Impure
(B) Raw
(C) Pure
(D) Refined

62. Vitamin A is soluble in ?
(A) Water
(B) Fats
(C) Both A&B
(D) None of these

63. Vitamin B is soluble in ?
(A) Fats
(B) Water
(C) Both A&B
(D) None of these

64. There are __________ types of DNA.
(A) 1
(B) 2
(C) 3
(D) 4

65. Nucleic acid was first discovered in ?
(A) 1869
(B) 1870
(C) 1871
(D) 1872

66. Mutation is a sudden chemical change in ?
(A) DNA
(B) RNA
(C) Cell
(D) Cell wall

67. Amino acids are the building blocks of ?
(A) Lipids
(B) Fats
(C) Vitamins
(D) Protein

68. Organic chemistry is the study of ?
(A) Carbon
(B) Metal
(C) Oxygen
(D) Carbon and its compounds

69. Enzymes are made of ?
(A) Protein
(B) Lipids
(C) Fats
(D) Minerals

70. Cause of acidic rain is ?
(A) Nitrogen
(B) Sulphure Dioxide
(C) Carbonic Acid
(D) Carboxide

ANSWERS: CHEMISTRY QUESTIONS

61. A

62. B

63. B

64. D

65. A

66. A

67. D

68. D

69. A

70. B

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