One of the constituents of baking powder is sodium hydrogencarbonate, the other constituent is

How does chloride of lime differ chemically from calcium chloride?

In a basic aqueous solution,if the concentration of $[OH^-]$ increases,what happens to the $pOH$?

Write the chemical equations for the reactions of zinc granules with:
$(a)$ Sulphuric acid
$(b)$ Hydrochloric acid
$(c)$ Aluminium chloride
$(d)$ Sodium hydroxide
$(e)$ Nitric acid

Differentiate between strong electrolytes and weak electrolytes. Mention two examples each.

Identify $A, B$ and $C$ in the following reactions and write the chemical name of $A, B$ and $C$.
$(i)$ $HNO_{3} + NaOH \rightarrow \underline{A} + H_{2}O$
$(ii)$ $\underline{B} + Ca(OH)_{2} \rightarrow CaSO_{4} + 2H_{2}O$
$(iii)$ $HCl + \underline{C} \rightarrow KCl + H_{2}O$