What is the pOH of 0.02M solution of $\mathrm{Ca}{\left(\mathrm{OH}\right)}_2$?

Potassium Ferrocyanide ${\mathrm{K}}_4\left[\mathrm{Fe}{\left(\mathrm{CN}\right)}_6\right]$ is a:

Which acid id used for etching gas? 

pH of neutral substance is always: 

Acidic solution has pH less than: 

Which is Double salt? 

The sum of the pH and pOH at 25$°$c is: 

What is the concentration of ${\mathrm{H}}^{+}$ ion in pure water at ${25}^{°}\mathrm{c}$ when: ${\mathrm{K}}_{\mathrm{w}}= \left[{\mathrm{H}}^{+}\right]\left[{\mathrm{OH}}^{-}\right]=1.0\mathrm{x}{10}^{-14}$

Ca(OCl)Cl is example of: 

Which one salt is used to dry a gas?

The colour of $\mathrm{Ca}{\left(\mathrm{OH}\right)}_2$ is:

Which acid is used to cure sting of wasps? 

Molecular Formula of Mohr's salt is: 

pH value of a neutral solution is always: 

Grease stains from clothes are removed by using: 

Stearic acid is present in: 

_______ acid cause acidity of stomach. 

A neutral salt is not composed of: 

Water of Crystallization is responsible for: