[Solved] When is strong basic anion not necessary?

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Q.	When is strong basic anion not necessary?
A.	silica is nil
B.	co2 is nil
C.	fluroine is nil
D.	sulphate is nil
Answer» A. silica is nil
Explanation: when silica is nil, there is no requirement of a strong basic anion. degasser removes co2. a degasser tower is used in such cases.

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