QUESTIONS

Why do ${\text{HCl, HNO}}_{\text{3}}\text{,}$ etc., show acidic characters in aqueous solutions while solutions of compounds like higher alcohols and glucose do not show acidic character?

Why does an aqueous solution of acid conduct electricity?

Why does dry $\mathrm{HCl}$ gas not change the colour of the dry litmus paper?

While diluting an acid, why is it recommended that the acid should be added to water and not water to the acid?

How is the concentration of hydronium ions ${\text{H}}_{\text{3}}{\text{O}}^{\text{+}}$ affected when a solution of an acid is diluted?

How is the concentration of hydroxide ions ${\text{OH}}^{\text{-}}$ affected when excess base is dissolved in a solution of sodium hydroxide?