Ravi Shankar Sharma, Subha Raghavan and, Nidhi Sharma Solutions for Chapter: Acids, Bases and Salts, Exercise 12: EXERCISES (UNSOLVED)

The chemical formula of plaster of Paris is _____.

(A) ${\mathrm{CaSO}}_4.\frac{1}{2}{\mathrm{H}}_2\mathrm{O}$             (B) ${\mathrm{CaSO}}_4.2{\mathrm{H}}_2\mathrm{O}$                   (C) ${\mathrm{CaSO}}_4$

Enter your correct answer as A, B or C.

The more acidic a solution, the _____ the $\mathrm{pH}$. (lower/higher)

Vanilla and onion extract are _____ indicators.

Fill in the blanks with correct word given in the bracket.

Substances do not show their acidic properties without _____. (water / alcohol)

Acids have a _____ taste.

Acids produce _____ ions on dissolving in water. (Hydroxide / Hydrogen)

Bases have a _____ taste.

Bases produce _____ ions on dissolving in water. (hydroxide / hydronium)