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Q.

Which of the following can act as buffer?

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a

NH4Cl+NH4OH

b

Borax+ Boric acid

c

NaCl+ NaOH

d

NaH2PO4+Na2HPO4

answer is B, C, D.

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Detailed Solution

Borax+ Boric acid

NaH2PO4+Na2HPO4

and can act as buffer

NH4Cl+NH4OH

A buffer solution is an aqueous solution consisting of a mixture of a weak acid and its conjugate base, or vice versa

 

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