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Tuesday, 11 May 2021

Blog - Metals & Acids

 Aim: To show that hydrogen gas is produced when a metal reacts with acid.


Equipment: A test tube, a boiling tube, Bunsen burner (A liters better), wooden splint, a bottle of acid, a piece of metal and safety glasses.


Method:

  1. Light your bunsen burner (If you're using one).

  2. Add a 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.

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

  5. When you think the tube is full, your lab partner should light a wooden splint.

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


Observations: It's called the pop test because once you insert the splint in the test tube it’ll make a slight high pitched sound / Beep.


Results: “Once you insert the splint in the test tube it’ll make a slight high pitched sound / Beep.”... Its made a pop


Discussion: We were testing for hydrogen gas


Conclusion: It worked really well because it made the pop it was supposed to make. Something I would have done differently was to get the wooden splint in the test tube faster so it would make a loud and bigger pop.


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