Question

D. Complete the crossword with the help
of the clues provided.
ACROSS
3. Used in electrical switches
5. Ethene units join together to form
DOWN
1. Made of ester units
2. Used as a substitute for wool
4. A polymer used in non-stick
cookware​

Answer 1

Answer:

3..

5. polyethene

1. polyester

2.

4polytrtraflourothylene

Explanation:

sorry t I couldn't answer those two,hope it would be helpfull