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

Related Questions