Q1. Assertion: Hydrochloric acid is a strong acid.
Reason: It completely ionizes in water.

Q2. Assertion: Sodium is stored under kerosene.
Reason: Sodium reacts violently with water.

Q3. Assertion: Water is a universal solvent.
Reason: Water is polar in nature.

Q4. Assertion: Calcium carbonate reacts with acids.
Reason: It forms salt, water, and carbon dioxide.

Q5. Assertion: Hydrogen gas is used in the Haber process.
Reason: It reacts with nitrogen to form ammonia.

Q6. Assertion: Alcohols are soluble in water.
Reason: They can form hydrogen bonds with water.

Q7. Assertion: Ethanoic acid turns blue litmus red.
Reason: It releases H⁺ ions in water.

Q8. Assertion: Metals conduct electricity.
Reason: They have free electrons.

Q9. Assertion: Chlorine is used to purify water.
Reason: It kills bacteria and germs.

Q10. Assertion: Calcium hydroxide is called slaked lime.
Reason: It is prepared by adding water to quicklime.