Chemistry, asked by gagan4282, 11 months ago

which of the following solution will phenolphethalene indicator to pink colour. So3. P2o5. co2. cao

Answers

Answered by arup59

0

Answer:

CaO

Explanation:

As CaO is a strong base, it turns colourless phenolphthalein into pink colour.

Answered by Anonymous

0

CaO + SO3 → CaSO4

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