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Chemistry, 24.09.2021 07:10 sheldavis

SOMEONE ANSWER QUICK !! When a sample of blue crystals is heated, a vapour
is given off and a white powder remains. Analyze
whether a physical or a chemical change occurred.
Give reasons for your answer.

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SOMEONE ANSWER QUICK !! When a sample of blue crystals is heated, a vapour
is given off and...

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