Question

Q3. Plzzzz help me

1) Which of the following is used in making electrical fittings.

A. Melamine
B. Teflon
C. Perspex
D. Bakelite

2) Which among the following is a thermosetting plastic?

A. Polythene
B. Nylon
C. Melamine
D. PVC

3) Which non-metal is used in making pencils?

A. Graphite
B. Phosphorus
C. Sulphur
D. Hydrogen

4) Which of the following is a liquid at ordinary temperature.

A. Carbon
B. Oxygen
C. Phosphorus
D. Bromine

5) Which of the following is the best conductor of electricity.

A. Silver
B. Copper
C. Aluminium
D. Iron


6)____is first complete synthetic fibre made.

A. Rayon
B. Polythene
C. Nylon
D. Bakelite

Answer 1

Answer:

(1) teflon

(2) PVC

(3) Graphite

Answer 2

A) teflon

B)polythene

C)graphite

D) bromine

E)silver

C)nylon