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Hardness of Water:Causes, Types and Treatments

Sodium carbon...

Question

Sodium carbonate and mixture are taken in _______ ratio while preparing sodium carbonate extract.

A

3:1

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B

2:1

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C

1:1

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D

1:2

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Solution

The correct option is C 3:1
Sodium carbonate and mixture are taken in 3:1 ratio while preparing sodium carbonate extract.

Confirmatory (wet) tests for anions are performed by using water extract when salt is soluble in water and by using sodium carbonate extract when salt is insoluble in water.

Option (A) is correct.

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