Question

Q. 1) Multiple choice Questions.
1) Polycot is obtained by mixing
a) nylon and wool b) polyester and wool c) nylon and cotton d) polyester and cotton.
2) Which is a Thermosetting plastic?
a) Melamine b) polythene
c) PVC d) Nylon.
3) The material similar to silk in appearance is
a) Nylon b) Polyester c) Rayon d) Terylene.
4) The most suitable material for preparation of handles of cooking utensils is
a) Polythene b) PVC c) Nylon d) Bakelite.
Q. 2) Fill in the blanks.
1) Synthetic fibres are also called ________ Or ________ fibres.
2) Synthetic fibres are synthesised from raw material called _________.
3) Like synthetic fibres, plastic is also a ___________.
4) Synthetic fibres are obtained by chemical processing of _____________.
5) A plastic used for making crokery is ______________.


please answer​

Answer 1

1

(1) polyester and cotton

(2) melamine

(3) rayon

(4) bakelite

2

(1) man made or artificial

(2) petrochemicals

(3)man made fibre

(4) petrochemical

(5) melamine