Which of the following pairs constitutes a buffer


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Which of the following pairs constitutes a buffer?

(a) NaOH and NaCl
(b) HNO₃ and NH₄NO₃
(c) HCl and KCl
(d) HNO₂ and NaNO₂

Answered by admin @



Answer :- (b) HNO₃ and NH₄NO₃


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