Question

Find the odd one out and give reason:
1) KNO3, Na2SO4, NaHSO4, NaCl
2) NaHCO3, NaHSO4, Na3PO4, Na2HPO4

Answer 1

1 Na2SO4
2 NaHCO3
i think its useeful :D
if can answer mine too

Answer 2

1)  NaHSO4  because it contains acidic hydrogen and it is acidic salt and all others are neutral salt.
2) Na3PO4 because it contains no acidic hydrogen and it is neutral salt and all others are acidic salt.