TNPSC Group 4 Chemistry Online Mock Test in English and Tamil - 1

Question: 1

Carbon reacts with metal to form

(A) Oxide

(B) Carbide

(C) Carbonate

(D) Hydroxide

Question: 2

Neutron is

(A) Sub atomic particle having a unit mass and unit electrical charge.

(B) Sub atomic particle having no mass and no electrical charge.

(C) Sub atomic particle having no mass but unit electrical charge.

(D) Sub atomic particle having a unit mass and no electrical charge.

Question: 3

Carbon, diamond and graphite are together called

(A) Isotopes

(B) Isomorphs

(C) Isomers

(D) Allotropes

Question: 4

The anti-knocking compound used in petrol engines is

(A) Mono ethyl Lead

(B) Triethyl Lead

(C) Diethyl Lead

(D) Tetra-ethyl Lead

Question: 5

Which of the following is called Noble’s oil?

(A) TNT

(B) Nitro Glycerine

(C) Trinitro Glycerine (TNG)

(D) Trinitro Phenol