1.

Which of the following pair of solutions does not form a buffer solution?

Answer»

` NaH_2PO_4 and Na_2HPO_4`
` H_2CO_3 and NaHCO_3`
` NH_4 OH and H_4 CL`
KOH and `K_2 SO_4`

SOLUTION :KOH is a strong BASE and `K_2SO_4` is a salt of SA and SB


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