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1.
The coating on modern non- stick cookware and electric iron is of
2.
Fire proof plastic uniform worn by fire fighters has a coating of _____ to make it fire resistant.
3.
Bakelite and Melamine are examples of
4.
Which of the following is Non-biodegradable
5.
_____________ is an example of natural polymer
6.
The 4 R Principle is
7.
Polycot is made by mixing two types of fibres namely
8.
Plastics which when moulded once, cannot be softened by heating. Such plastics are called ____
9.
Polythene and PVC are examples of
10.
A chain of small chemical units combined to form a large single unit is called ____