PG TRB Model Question Paper for Chemistry with Answer - 3

Question: 11

Which of the following type of iron is used in making horse shoes?

(A) Cast iron

(B) Steel

(C) Wrought iron

(D) Pig iron

Question: 12

Which of the following is more reactive than magnesium?

(A) Copper

(B) Calcium

(C) Tin

(D) Lead

Question: 13

Uric acid is present in

(A) Soda water

(B) Rancid butter

(C) Urine of mammals

(D) Sour milk

Question: 14

Which is the rarest naturally occurring element of earth?

(A) Astatine

(B) Gold

(C) Germanium

(D) Antimony

Question: 15

Ice melts at a temperature of

(A) 0°C

(B) 54°C

(C) 80°C

(D) 100°C