PG TRB Chemistry Model Question Paper with Answer - 1

Question: 1

Metals generally have

(A) High evaporating capacity

(B) Softness

(C) Low melting points

(D) High melting points

Question: 2

Which of the following steel is used in making radio valves?

(A) Manganese steel

(B) Nickel steel

(C) Silicon steel

(D) Cobalt steel

Question: 3

Melting point of pure Urea is

(A) 54°C

(B) 80°C

(C) 135°C

(D) 801°C

Question: 4

Which among the following elements (metals) pollutes the air of a city having large number of automobiles?

(A) Cadmium

(B) Lead

(C) Nickel

(D) Chromium

Question: 5

Kerosene is a mixture of

(A) Aliphatic hydrocarbons

(B) Aromatic hydrocarbons

(C) Alicyclic hydrocarbons

(D) Saturated hydrocarbons