What is a neutralisation reaction? Give two examples.
A solution turns red litmus blue, its $pH$ is likely to be
How is the concentration of hydroxide ions $(OH^-)$ affected when excess base is dissolved in a solution of sodium hydroxide ?
Why do $HCl$, $HNO_3$, etc., show acidic characters in aqueous solutions while solutions of compounds like alcohol and glucose do not show acidic character ?
While diluting an acid, why is it recommended that the acid should be added to water and not water to the acid ?