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Buffer solutions have constant acidity a...

Buffer solutions have constant acidity and alkalinity because

A

these give unionised acid or base on reaction with added acid or alkali

B

acids and alkalies in these solutions are shielded from attacks by other ions

C

They have large excess of `H^(+) " or " OH^(-)` ions

D

they have fixed value of `pH`

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DINESH PUBLICATION-EQUILIBRIUM-Multiple Choice Qestions Bank
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