Chemistry Multiple Choice Questions and Answers - 3

Question: 11

Which of the following is used to treat anaemia?

(A) Iron-59

(B) Carbon-14

(C) Uranium-238

(D) Strontium-90

Question: 12

Cryolite is an ore of which one of the following metal?

(A) Aluminium

(B) Arsenic

(C) Antimony

(D) Barium

Question: 13

CuO + H₂ ---> Cu + H₂O. This reaction is

(A) Decomposition

(B) Redox reaction

(C) Reduction

(D) Oxidation

Question: 14

In the process of electrolysis reduction occurs at

(A) Anode

(B) Cathode

(C) Both of these

(D) None of these

Question: 15

Milk is a

(A) Compound

(B) Metal

(C) Element

(D) Mixture