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Chemistry, 14.09.2019 10:30 dreamn6651

If we were unsure of the gaseous product from this reaction, the presence of hydrogen gas can be confirmed by holding a match just above the test tube while gas bubbles are coming out of solution. a characteristic of hydrogen gas is that it reacts explosively with the oxygen in air. none of the other substances that you could imagine being formed in this reaction have this property. however, we will not be doing this confirmation.

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