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Tuesday, May 11, 2021

Testing for hydrogen gas - Science

 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 and safety glasses.

Method -

1. Add your sample of metal to your test tube, then proceed to add your 2ml of acid.

2. Carefully invert the boiling tube above the test tube containing the metal and acid.

3. Hold the test tube together for a few minutes, allowing the time for the inverted boiling tube to fill with gas.

4. When you think the tube is full, Mr Heath came around and lit the splint with a lighter.

5. Carefully but quickly tilt the boiling tube full of gas upwards and insert the burning splint into the mouth of the test tube.

Discussion: We knew it was ready to place the lit splint in the test tube, when we had left the acid and metal in for 1 minute or a minute and a half, because it had started to heat/boil and release the gas and steam. 

We tried this experiment, twice for the first one we used hydrochloric acid but the result wasn't what we wanted we then tried it with a stronger acid known as sulfuric acid and the result became better.


Conclusion: This experiment did work due to doing all of this it caused it to make a popping noise when the lit splint was placed into the hydrogen gas, you had to place it in their fast and carefully for a better and louder result.

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