🧪

Chemistry — Tier 3

Physical, organic, and inorganic chemistry for Classes XI–XII

Sample Practice Questions

  1. The van't Hoff factor i = 1 for:

    • NaCl in water
    • MgCl₂ in water
    • Non-electrolytes (like glucose)
    • Strong acids
    Show answer

    Answer: Non-electrolytes (like glucose)

  2. Hybridisation of carbon in CO₂ is:

    • sp
    • sp²
    • sp³
    • sp³d
    Show answer

    Answer: sp

  3. The process that makes starch from glucose in plants is:

    • Addition polymerisation
    • Condensation polymerisation
    • Hydrolysis
    • Fermentation
    Show answer

    Answer: Condensation polymerisation

  4. Henry's law constant increases with temperature for most gases, meaning solubility:

    • Increases
    • Decreases with increasing temperature
    • Stays the same
    • Varies unpredictably
    Show answer

    Answer: Decreases with increasing temperature

Practise more questions →
Practice Questions

Practise NGSE questions on Chemistry — Tier 3. Answers are revealed after each question.

Start Practice →
All Topics