Question

You are told to test curd, a common salt solution, washing soda and vinegar
with blue litmus paper. Write down your observations in each case and the
reason for the same.​

Answer 1

Answer:

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Explanation:

Acids

Bases

1. Its taste is sour.

Its taste is bitter.

2. It turns blue litmus paper to red.

It turns red litmus paper to blue.

3. It contains hydrogen ion (H+).

It contains hydroxyl ion(OH-)

4. It doesn’t feel soapy to touch.

It feels soapy to touch.

5. Examples: Curd, lemon juice and

Vinegar.

Examples: Baking soda, Soap and lime

water.