Synthetic Fibre...

Match the following with the correct answers.
(a) Scouring                 (i) Yields silk fibers
(b) Mulberry leaves    (ii) Cleaning sheared skin 
(c) Sheep                    (iii) Food of silk worm.
(d) Cocoon                 (iv) Wool yielding animal. 

Which of the following is not a thermoplastic?

__________ is not a natural fiber.

Acrylic, a man made fibre is a good substitute of a natural fibre. Which is this natural fibre?

Thermoplastic among these is? 

The thermosetting plastic among these is:

If the plastics are hard, become soft and readily workable by the addition of certain compounds called:

The most suitable material for the preparation of handles of cooking utensils is

The example of natural fibre is: 

These are generally the bad conductor of heat.