Question

Solid sodium bicarbonate was placed on a strip of ph paper. What was the change in colour? Give reason

Answer 1

No colour change. Sodium bicarbonate is in solid form. Ions dissociates in aqueous solution only.
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Answer 2

Answer:

The colour of the pH paper did not change because pH paper shows colour depending on the hydrogen ion concentration in solution. Solid sodium bicarbonate does not produce hydrogen ions in its solid state thus does not give any colour on pH paper.

Explanation:

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