Previous 10 Years Question Papers with Answers for TRB Chemistry - 1

Question: 1

Name the metal, which is in the liquid state

(A) Sodium

(B) Chromium

(C) Vanadium

(D) Mercury

Ans: D

Mercury

Question: 2

Which fertilizer is assimilated directly by the plant?

(A) Nitro lim

(B) Muriatic of potash

(C) Humus

(D) Super phosphate

Ans: B

Muriatic of potash

Question: 3

The oxide of which of the following elements is used as a coolant?

(A) Silicon

(B) Nitrogen

(C) Phosphorus

(D) Carbon

Ans: D

Carbon

Question: 4

Paper is manufactured by

(A) Wood and resin

(B) Wood, sodium and bleaching powder

(C) Wood, Calcium, hydrogen sulphate and resin

(D) Wood and bleaching powder

Ans: C

Wood, Calcium, hydrogen sulphate and resin

Question: 5

Atom bomb is made on the basis of

(A) Nuclear fission

(B) Nuclear fusion

(C) Both (a) & (b)

(D) None of these

Ans: A

Nuclear fission

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