Question

1.Electrical wires have a coating of an insulating material. The material, generally used is:

(a) Sulphur

(b) Graphite

(c) PVC

(d) All can be used


2. Which of the following non-metals is a liquid?

(a) Carbon

(b) Bromine

(c) Phosphorus

(d) Sulphur

Answer 1

Graphite is used
Bromine is answer

Answer 2

Answer:

1. PVC

2.Bromine.

Explanation:

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