TNPSC Group 4 Previous Year Question Paper Pdf Download - 2

Question: 6

Bronze is an alloy of which metals?

(A) Copper and Tin

(B) Zinc and Iron

(C) Tin and Zinc

(D) Iron and Copper

Question: 7

Milk is unique in its nutritive value. However it is a poor source of

(A) Iron

(B) Sodium

(C) Copper

(D) Calcium

Question: 8

What is the main constituent of a Pearl?

(A) Calcium sulphate only

(B) Calcium oxide and calcium sulphate

(C) Calcium carbonate only

(D) Calcium carbonate and magnesium carbonate

Question: 9

Gobar gas contains mainly

(A) Butane

(B) Carbon dioxide

(C) Carbon monoxide

(D) Methane

Question: 10

Which one among the following metals is used for making boats because it does not corrode by seawater?

(A) Antimony

(B) Tungsten

(C) Titanium

(D) Nickel