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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