PYQ Vault

Day 4: MH HSC Class 12 Chemistry

5 questions. Try each one first, then open its answer.

  1. Question 1

    Green Chemistry and Nanochemistry. Asked 3 times: Mar 2022, Feb 2024, Feb 2026

    Answer the following questions :
    Q.2.viii
    Write the name of nanoparticle which acts as highly effective bacterial disinfectant.

  2. Question 2

    Solutions. Asked 3 times: Mar 2022, Jul 2025, Feb 2026

    Q. 27(i)
    Define : Isotonic solution

  3. Question 3

    Biomolecules. Asked 3 times: Mar 2019, Mar 2022, Feb 2026

    Q. 25(ii)
    Write preparation of glucose from starch.

  4. Question 4

    Alcohols, Phenols and Ethers. Asked 3 times: Mar 2019, Mar 2023, Jul 2025

    Answer the following questions :
    Q.2.v
    Write name of reagent used to convert phenol to Benzene.

  5. Question 5

    Transition and Inner Transition Elements. Asked 3 times: Mar 2018, Feb 2024, Jul 2025

    Q. 20
    (a) What is Lanthanoid contraction? (b) Compounds of 'd' block elements are coloured in solid state as well as in an aqueous state. Explain.