Science Questions

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 ($Al_2O_3$)?

Which of the following is the strongest acid?

Calculate the pH of a 0.01 M NaOH solution.

Which of these is a buffer solution?

What is the effect of the 'Common Ion Effect' on the ionization of a weak acid?

What is the pH of a solution where the hydrogen ion concentration is $2 \times 10^{-5}$ M? (Given $log 2 = 0.3$)

According to Lewis theory, a base is:

Which of the following has the highest value of $K_a$?

The conjugate acid of $NH_2^-$ is: