Top 500+ TRB Chemistry Model Question Paper with Answers - 3
Question: 11
Which of the following is used to cure skin cancer?
(A) Cobalt-60
(B) Phosphorous-32
(C) Iron-59
(D) Iodine-123
Ans: B
Phosphorous-32
Question: 12
The acid in gastric juice is
(A) Acetic acid
(B) Hydrochloric acid
(C) Nitric acid
(D) Sulphuric acid
Ans: B
Hydrochloric acid
Question: 13
Which of the following is used in vulcanization of rubber?
(A) Phosphorous
(B) Carbon
(C) Sulphur
(D) Hydrogen
Ans: C
Sulphur
Question: 14
Which of the following is an anti diabatic drug?
(A) Penicillin
(B) Aspirin
(C) Iodine
(D) Insulin
Ans: D
Insulin
Question: 15
German silver is a mixture of
(A) Copper, nickel and zinc
(B) Aluminium, copper and traces of Mg and Mn
(C) Copper and tin
(D) Copper and zinc
Ans: A
Copper, nickel and zinc
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