MCQ
Which would decrease the $pH$ of $25\,c{m^3}$ of a $0.01\,M$ solution of hydrochloric acid
- AThe addition of $25\,c{m^3}$ $0.005\,M$ hydrochloric acid
- BThe addition of $25\,c{m^3}$ of $0.02\,M$ hydrochloric acid
- CThe addition of magnesium metal
- ✓None of these