Chemistry Online Test - 2

Question: 6

Which of the following does not pollute?

(A) Nickel

(B) Arsenic

(C) Cadmium

(D) Copper

Question: 7

The iron container (vessel) is galvanized by

(A) Aluminium

(B) Chromium

(C) Nickel

(D) Zinc

Question: 8

The gaseous mixture of carbon monoxide and nitrogen is called

(A) Natural gas

(B) Producer gas

(C) Water gas

(D) Coal gas

Question: 9

Which one of the following is the heaviest metal?

(A) Silver

(B) Aluminium

(C) Uranium

(D) Copper

Question: 10

Which one of the following correctly defines the state of glass?

(A) Liquid crystal

(B) Condensed gas

(C) Crystalline solid

(D) Super cooled liquid