Question

Shikhar puts some hot water in an empty plastic bottle and in a plastic 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?

a) Both plastic bowl and plastic bottle are thermoplastic.

b) Both plastic bowl and plastic bottle are thermosetting plastic.

c) Plastic bowl is a thermoplastic while plastic bottle is a thermosetting plastic.

d) Plastic bowl is a thermosetting plastic while plastic bottle is a thermoplastic.

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Answer 1

A)BOTH PLASTIC BOWL AND PLASTIC BOTTLE ARE THERMOPLASTIC

Answer 2

Concept: Both thermosetting plastics and thermoplastics are polymers, but they respond to heat differently. After curing, thermoplastics can melt in a hot environment, whereas thermoset plastics retain their shape and remain solid in a hot environment.

Given: the observation of Shikhar putting hot water in a plastic bottle and plastic bowl

To find: the correct option out of the four options about the nature of plastic bottle and plastic bowl based on Shikhar's observation

Solution: Plastic bowl is a thermosetting plastic while plastic bottle is a thermoplastic.

Hence, option (d) is correct.

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