Tuesday 7 May 2019
Sunday 5 May 2019
Chemistry MCQs /E book Library part 7
61. The blister form of copper is ____________ form.
(A) Impure
(B) Raw
(C) Pure
(D) Refined
(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
(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
(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
(A) 1
(B) 2
(C) 3
(D) 4
65. Nucleic acid was first discovered in ?
(A) 1869
(B) 1870
(C) 1871
(D) 1872
(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
(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
(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
(A) Carbon
(B) Metal
(C) Oxygen
(D) Carbon and its compounds
69. Enzymes are made of ?
(A) Protein
(B) Lipids
(C) Fats
(D) Minerals
(A) Protein
(B) Lipids
(C) Fats
(D) Minerals
70. Cause of acidic rain is ?
(A) Nitrogen
(B) Sulphure Dioxide
(C) Carbonic Acid
(D) Carboxide
(A) Nitrogen
(B) Sulphure Dioxide
(C) Carbonic Acid
(D) Carboxide
