Question

I. Polycot is a mixture of two types of fibres, polyester and cotton.
II. Paper, woolen clothes and cold drink cans are all non-biodegradable.
III. Uniforms of firemen have a coating of nylon to make them flame resistant.
IV. Polyethene and PVC are examples of thermosetting plastics.
Which of these statements is/are incorrect?

Answer 1

Answer:

1. True
2. true
3. false
4. true

Explanation:

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