Previous 10 Years Question Papers with Answers for TRB Chemistry - 4

Question: 16

In which type of coal percentage of carbon is the highest?

(A) Anthracite

(B) Lignite

(C) Bituminous

(D) Peat

Ans: A

Anthracite

Question: 17

Melting point of graphite is

(A) 1500°C

(B) 2400°C

(C) 2600°C

(D) 3700°C

Ans: D

3700°C

Question: 18

The metal in the liquid state is

(A) Tin

(B) Gold

(C) Silver

(D) Mercury

Ans: D

Mercury

Question: 19

Which of the following is not a metallic mineral?

(A) Haematite

(B) Limonite

(C) Gypsum

(D) Bauxite

Ans: B

Limonite

Question: 20

Which of the following is a weak acid?

(A) HCL

(B) HNO3

(C) CH3COOH

(D) H2SO4

Ans: C

CH3COOH

Related Questions