Questions  

Which of the following mixtures will act as buffer?

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By Expert Faculty of Sri Chaitanya
a
H2CO3+NaOH(1.5:1 molar ratio )
b
H2CO3+NaOH(1.5:2 molar ratio )
c
NH4OH+HCl(5:4 molar ratio) 
d
NH4OH+HCl(4:5 molar ratio )
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detailed solution

Correct option is A

(a) NaHCO3+H2CO3

(b) NaHCO3+Na2CO3

(c) NH4OH+NH4Cl

Correct option is A, B, C

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