Chemistry
Chemistry, 19.08.2019 18:30, summerarellanoo

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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