Question

Write the characteristics of a chemical change.

Answer 1

Answer:

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Explanation:

A chemical change produces a new substance. The changes are permanent and mostly irreversible. Also, it involves the absorption or release of energy in the form of heat or light.

Characteristics of a chemical change are as follows:-

1. Permanent

2. Formation of New Substances

3. Absorption of the release of heat and light.

4. Color Change.

5. Production of an odor.

6. Change of Temperature.

7. Evolution of a gas (formation of bubbles)

8. Precipitate (formation of a solid)

Answer 2

OR

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)

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