Question

02. When a green powder is heated, it tun black and a gas is produced Is this reversible irreversible
change? Explain your answer,​

Answer 1

Answer:

irreversible change

Explanation:

it made a new material that couldn't be changed back so it is an irreversible change

Answer 2

Answer:

Answer. when green powder is heated, it turns black and a gas is produced. in irreversible changes, new materials are always formed. given that a gas is produced, which is a new material, heating green powder is an irreversible change.

Explanation:

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