Question

a test tube contain 5 ml of Hcl and 4 ml of NaOH.on adding 1 drop of phenolphthalein what colour do you observe in the mixtures ? give reasons

Answer 1

Answer:Phenolphalein changes to pink in colour.

Explanation:It changes pink in colour because reacting acid and base forms salt and water ,in this HCl is acid and NaOH is base

On reaction:HCl adding to base forms NaCl and H2O (water).And forms saltwater which turns phenolphthalein into pink.

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