When solutions of silver nitrate and potassium chloride are mixed, a white precipitate forms.

${\mathrm{Ag}}^{+}\left(\mathrm{aq}\right)+{\mathrm{Cl}}^{-}\left(\mathrm{aq}\right)\to \mathrm{AgCl}\left(\mathrm{s}\right)$

Is the precipitation of silver chloride a redox reaction?

In the electrolysis of water, name the gas collected at the cathode and at the anode.

In the electrolysis of water, why is the volume of gas collected at one electrode is double of the other?

In the electrolysis of water, why are a few drops of dilute ${\mathrm{H}}_2{\mathrm{SO}}_4$ added to the water?

Write the balanced chemical equation for the following and identify the type of reaction.

Lead nitrate (aq)+Potassium iodide(aq)$\to$Lead iodide+Potassium nitrate(aq)

Write the balanced chemical equation for the following and identify the type of reaction.

Zinc carbonate (s) $\stackrel{△}{\to }$Zinc oxide(s) + Carbon dioxide (g)

Write the balanced chemical equation for the following and identify the type of reaction.

Hydrogen (g) + Chlorine (g) $\to$ Hydrogen chloride (g)

Write the balanced chemical equation for the following and identify the type of reaction.

Magnesium(s) + Hydrochloric acid (aq) $\to$ Magnesium chloride (aq) + Hydrogen (g)