Which substance is added to the soil to neutralize acidic soil?

Why is $HCl$ a stronger acid than acetic acid?

How is the $pH$ of a solution of an acid influenced when it is diluted?

Common salt, besides being used in the kitchen, can also be used as the raw material for making:
$(i)$ Washing soda
$(ii)$ Bleaching powder
$(iii)$ Baking soda
$(iv)$ Slaked lime

Who proposed the acid-base theory of ionization?

$(a)$ What is a universal indicator?
$(b)$ Write the chemical equation involved in the preparation of sodium hydroxide. Name the process.