Question

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Answer 1

Answer:

1. - ii) when blue litmus paper is dipped in dilute hydrochloric acid it becomes red color because of acidic medium in dilute hydrochloric acid.

2. - iii) when vinegar is put in phenolphthalein it remains color less because of acidic medium in vinegar.

3. - v) when red litmus paper is dipped in dilute calcium hydroxide then it turns in blue color because of basic medium in dilute calcium hydroxide.

4. - i) when curd is mixed in china rose solution it becomes dark pink / magenta color because of acidic medium in curd.

5. - iv) when soap is mixed with turmeric solution the solution turns in red color because of basic medium in soap.

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