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What changes are observed when a glass is heated?

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in Basic Civil Engineering by (111k points)
What changes are observed when a glass is heated?

(a) It becomes softer

(b) It bursts

(c) It solidifies

(d) It disintegrates

I have been asked this question in an internship interview.

This interesting question is from Glass in division Materials for Construction of Basic Civil Engineering

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Best answer
Right answer is (a) It becomes softer

Best explanation: It becomes softer and softer with a rise in temperature and is ultimately transformed into a mobile liquid.

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