Question

Describe an activity to study the reaction of acids with bases.​

Answer 1

Answer:

1. Take a test tube stand and place two test tubes in it.
2. Label the test tube as test tube 1 and test tube 2.
3. Add 5 ml of blue litmus solution to test tube 1.
4. Add 5 ml of red litmus solution to test tube 2.
5. Use a dropper and add equal drops of hydrochloric acid in the both test tubes.
6. Wait and observe the colour change.

Answer 2

Answer:

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In the litmus test experiment the blue litmus solution turns to red when hydrochloric is added. Therefore, acids such as HCl show acidic character. Hydrochloric acid reacts with active metals such as zinc to form zinc chloride and liberate hydrogen gas. HCl reacts with sodium carbonate to liberate carbon dioxide gas.