Question

Is shaping a piece of glass a physical or chemical change? Please explain.

Answer 1

Answer:

The shaping of a piece of glass is a physical change, because in the process of changing shape only the changing of shape takes place. There is no presence of heat. Only due to the pressure it is changing its shape. No chemical reaction takes place.

Explanation:

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Answer 2

Answer:

$a \: shaping \: of \: glass \: is \: a \: physical \: change . \\ a \: physical \: change \: describe \: change \: in \: the\: \: superficial \: properties \: of \: a \: substance \: such \: as \: melting \: ice \: into \: water \: \: \: or \: breaking \: a \: glass$

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