Ionic Equilibrium

1 Questions MSQ (Multiple Correct)
2010 JEE Advanced MSQ
IIT-JEE 2010 Paper 1 Offline
Aqueous solution of HNO3, KOH and CH3COOH and CH3COONa of identical concentrations are provided. The pairs of solutions which form a buffer upon mixing is(are)
A.
HNO3 and CH3COOH
B.
KOH and CH3COONa
C.
HNO3 and CH3COONa
D.
CH3COOH and CH3COONa