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Which of the following statements about thermosetting plastics is not true?

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in Construction & Building Materials by (190k points)
Which of the following statements about thermosetting plastics is not true?

(a) It is possible to change their shape on heating

(b) They are durable and strong

(c) They are available in a variety of colours

(d) They become rigid on heating

This question was posed to me in an interview.

I'm obligated to ask this question of Plastics in chapter Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials

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Correct answer is (a) It is possible to change their shape on heating

To explain: Thermosetting plastics become rigid on heating and it is possible to change their shape. They are durable and strong and are available in a variety of colours.

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