Question

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Answer 1

Answer:

turmeric gives red colour with soap

Explanation:

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Answer 2

Answer:

1. When you put a drop of soap solution is put on the strip of turmeric paper, turmeric paper turns red because soap is acidic. Turmeric is known as an indicator. The indicators change their colour when added to a solution containing an acidic or a basic substance.

2. Crushing of chalk is a physical change as there is no molecular difference between the chalk and the crushed powdered chalk. So it is a physical change. But this change is an Irreversible change as the powdered chalk cannot be converted back to the original size and shape. So it can be a Chemical Change.