Question

Aphy
Give two characteristics of chemical changes​

Answer 1

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.

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Answer 2

Answer:

Two characteristics of chemical changes are:-

i) They are irreversible.

ii) They form new substances after taking place.