Question

Why is an alkali added drop by drop to the salt solution?

Answer 1

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Why is an alkali added drop by drop to the salt solution?

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If an alkali is added too quickly, then it is easy to miss a precipitate which redissolves in excess alkali.

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Answer 2

Answer:

alkali are added drop wise to salt solution so as to ensure that at every step changes in reaction can be noticed . if added in excess some side reactions may go unnoticed.2

Explanation:

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