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Chemistry, 09.12.2020 22:10 allendraven89pds755

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, thanks!

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