Question

Write the characteristics of a chemical change ? ​

Answer 1

A chemical change occurs when one substance is transformed into one or more new products via a chemical reaction. In a chemical change, the number and type of atoms remain constant, but their arrangement is altered. Most chemical changes are not reversible, except via another chemical reaction.

Answer 2

Answer:

There are five signs of a chemical change:

1. Color Change.

2. Production of an odor.

3.Change of Temperature.

4. Evolution of a gas (formation of bubbles)

5. Precipitate (formation of a solid)

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