$(a)$ State in tabular form the name of the acid and base from which the following salts are formed. Also,mention the nature of the salt,whether it is acidic or basic?
$(i)$ Sodium acetate.
$(ii)$ Ammonium sulphate.

Which substance is present in the poison of a honeybee?

What is the molarity of a solution prepared by dissolving $8 \ g$ of $NaOH$ in water to make a total volume of $100 \ mL$ (in $M$)?

As the concentration of $[H_{3}O^{+}]$ ions increases in an acidic aqueous solution,what happens to the nature of the solution?

How is an aqueous solution with $pH = 2$ compared to an aqueous solution with $pH = 4$?

$(a)$ Identify the acid and the base whose combination forms the common salt that you use in your food. Write its formula and chemical name of this salt. Name the source from where it is obtained.
$(b)$ What is rock salt? Mention its colour and the reason due to which it has this colour.
$(c)$ What happens when electricity is passed through brine? Write the chemical equation for it.