aim: To show that hydrogen gas is produced when a metal reacts with acid.
method: 1. Light your bunsen burner
2. Add your sample of metal to your test tube. Add 2 mL of acid
3. carefully invert the boiling tube above the test tube containing the metal and acid (as shown in the diagram below).
Observation: There was a popping sound when we put the flaming stick inside the test tube with the gas.
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