Question

Give the characteristics of Chemical change?​

Answer 1

Answer:

chemical changes are those changes in which new substances are formed .

a sound , smell , light may be produced .

these are permanent changes and irreversible changes .

eg . burning of paper

Answer 2

Answer:

Some signs of a chemical change are a change in color and the formation of bubbles. The five conditions of chemical change: color chage, formation of a precipitate, formation of a gas, odor change, temperature change.

Explanation:

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