Physical And Chemical Change Flashcards Preview

Chemistry Grade 9 > Physical And Chemical Change > Flashcards

Flashcards in Physical And Chemical Change Deck (4)
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1

What is physical change?

When the substances appearance or state may be altered, but it’s composition stays the same.

2

What is Chemical change?

Always results in the formation of a different substance or substances.

3

What happens when a substance is changed chemically?

There is a new color, there is a new smell, a new substance is produced, the change is difficult to reverse, heat is taken in or given off.

4

What happen when a substance is changed physically?

Breaking, crushing or molding into a new shape, no new chemicals are formed, easy to reverse, could change state.