Question Bank

Which of the following is used to remove permanent hardness of water?

If a solution has a pOH of 11, it is:

Which indicator remains pink in a basic medium?

The sharp pain of an ant bite is neutralized by rubbing:

Water of crystallization is found in:

Which of the following is an example of a synthetic indicator?

Acid rain is caused by the presence of:

What is the effect of increasing the concentration of $H^+$ ions on pH?

Which of the following salts is acidic?

Plaster of Paris is obtained by heating:

What is the value of the ionic product of water ($K_w$) at 298 K?

An aqueous solution with pH 0 is:

The chemical formula of slaked lime is:

Which of the following is not a dibasic acid?

Copper sulfate crystals turn white on heating because:

What is the pH of a 0.001 M HCl solution?

Which theory defines an acid as a proton donor?

What is the conjugate base of $HSO_4^-$?

Identify the Lewis acid from the following:

What is the nature of Aluminum Oxide ($Al_2O_3$)?