defence exam Indian Army Nursing Assistant Mock Test Series 2025 Chemistry Equilibrium Ionic Equilibrium
Which will make basic buffer?
1
50 mL of 0.1 M NaOH + 25 mL of 0.1 M CH3COOH
2
100 mL of 0.1 M CH3COOH + 100 mL of 0.1 M NaOH
3
100 mL of 0.1 M HCl + 200 mL of 0.1 M NH4OH
4
100 mL of 0.1 M HCl + 100 mL of 0.1 M NaOH