Question

Q1. Assertion- Phenolphthalein gives pink colour in basic solution.
Reason- Phenolphthalein is a natural indicator

Q2. Assertion- Lack of oxygen in muscles often leads to cramps among cricketers. (1)

Reason- Due to conversion of Pyruvate into lactic acid causes lactic acid deposition in muscles.

Q3. Assertion- The light of violet colour deviates the most and the light of red colour the least, while

passing through the prism. (1)

Reason- For a prism material, Refractive index is the highest for red light and the lowest for violet

colour




please someone give a proper answer.... this is for class 10th's science...​

Answer 1

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