What doesn't change during a physical change?

Answer 1

#"What does not change during a physical change.........??"#

How about,.............................................

#"the chemical identity of the substance under scrutiny"#.

Physical changes are largely changes of state: solid to liquid; liquid to gas; etc. No chemical bonds are broken, and no new chemical bonds are formed. On the other hand, chemical change is characterized by the formation of new substances, and the making and breaking of strong chemical bonds.

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Answer 2

Henry Antrim

The chemical composition does not alter during a physical change.

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Answer 3

Wyatt Adkins

During a physical change, the chemical composition of the substance remains unchanged.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.