Question

3. b) Shikhar puts some hot water in an empty plastic bottle and in a plastic 1 point
bowl used in the kitchen. He observes that the bottle gets deformed while
the plastic bowl remains the same. Based on the observation, what can be
said about the bottle or the bowl? (1M) *​

Answer 1

Answer:

Based on the given observation we can say that the bottle is made of thermoplastic and the bowl is made up of thermosetting plastic

Explanation:

Thermoplastic is weak and is used for making bottles, toys etc, whereas thermosetting plastic is much stronger and is used for making bowls, electric switches and handles of cooking utensils.

some examples of thermosetting plastic are bakelite, tefflon etc

and some eg of thermoplastic are PVC, polythene etc

Hope it helps

Thank you