PG TRB Chemistry Model Question Paper with Answer - 5

Question: 21

The fuel in atomic pile is

(A) Uranium

(B) Petroleum

(C) Carbon

(D) Sodium

Question: 22

The colour of silver chloride precipitate is

(A) Yellow

(B) Red

(C) Black

(D) White

Question: 23

Indane gas is a mixture of

(A) Butane and hydrogen

(B) Butane and oxygen

(C) Butane and propane

(D) Methane and oxygen

Question: 24

The colouring agent used to get ruby red colour glass is

(A) Manganese oxide

(B) Chromic oxide

(C) Cadmium sulphide

(D) Selenium sulphide

Question: 25

Mercury is used in barometers due to its

(A) High density

(B) High lost

(C) Weight

(D) Lusture