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Chemistry, 03.07.2019 10:30 zafarm2oxgpmx

Susana heats up a sample of red crystals. while the sample is being heated, a gas is released and a blue powder is left after the heating. is the sample of red crystals an element or a compound? explain your answer.

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Susana heats up a sample of red crystals. while the sample is being heated, a gas is released and a...
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