Aim: To show that hydrogen gas is produced when a metal reacts with acid.
Equipment:
A test tube, a boiling tube, Bunsen burner, wooden splint, a bottle of acid. a piece of metal, safety glasses.
Method:
- Light your bunsen burner.
- Add your sample of metal to your test tube. Add 2 mL of acid.
- Carefully invert the boiling tube above the test tube containing the metal and acid.
- Hold the test tubes together for a few minutes, allowing time for the inverted boiling tube to fill with gas.
- When you think the tube is full, tilt the boiling tube full of gas upwards and insert the burning splint into the mouth of the test tube.
Observations: It created a sizzle effect when you poured the acid in with the metal. It also made a popping sound the moment you insert the burning splint in the mouth of the test tube.
1. Outline how you could tell a chemical reaction was occurring in the test tube?
The temperature of the test tube changed and it condensed creating gas to fill inside. As well as the sizzling effect and popping sound.
Evidence:
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