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Chemistry, 09.12.2020 22:40 edjiejwi

Hello! Please help. Is air an element, compound, or mixture?
Is Hydrochloride Acid an element, compound, or mixture?
Oh if you can could you put the explanation of one of them, thank you!

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Hello! Please help. Is air an element, compound, or mixture?
Is Hydrochloride Acid an element...
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