PYQ Vault

Day 31: MH HSC Class 12 Chemistry

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

  1. Question 1

    Solid State. This type asked 2 times: Feb 2026, Jun 2026. This one: Jun 2026

    Q. 29(i)
    Define - Polymorphism.

  2. Question 2

    Solutions. This type asked 2 times: Mar 2016, Jun 2026. This one: Jun 2026

    Q. 20
    (a) State Raoult's law. (b) Derive the relationship to determine molar mass of non volatile solute by depression of freezing point.

  3. Question 3

    Transition and Inner Transition Elements. This type asked 2 times: Feb 2024, Jun 2026. This one: Jun 2026

    Select and write the correct answers for the following multiple choice type of questions :
    Q.1.vi
    Atomic number of post actinoid element range from−-

    Tap an option to check your answer.

  4. Question 4

    Aldehydes, Ketones and Carboxylic Acids. This type asked 2 times: Jul 2024, Feb 2026. This one: Feb 2026

    Q. 24(i)
    Write Tollen's reagent test for acetaldehyde.

  5. Question 5

    Aldehydes, Ketones and Carboxylic Acids. This type asked 2 times: Jul 2025, Feb 2026. This one: Feb 2026

    Answer the following questions :
    Q.2.v
    Write the IUPAC name of the structure shown : a benzene ring carrying a −CHO\mathrm{{-}CHO} group and, on the adjacent carbon, an −OH\mathrm{{-}OH} group.