Question

List down the observations of a chemical change. ​

Answer 1

Answer:

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Explanation:

There are five signs of a chemical change:

Color Change.

Production of an odor.

Change of Temperature.

Evolution of a gas (formation of bubbles)

Precipitate (formation of a solid)

Answer 2

Answer:

Some sign of chemical change are a change in colour and the formation of bubbles. The five conditions of chemical change :

1. Colour change
2. Formation of a percipitate
3. Formation of gas
4. Odor change
5. Temperature change.

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