PYQ Vault

Day 85: MH HSC Class 12 Chemistry

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

  1. Question 1

    Introduction to Polymer Chemistry. Asked once: Feb 2026

    Q. 28(ii)
    (ii) Write the name of catalyst used in preparation of HDP. (iii) Draw structure of isoprene unit of natural rubber.

  2. Question 2

    Ionic Equilibria. Asked once: Feb 2025

    Select and write the correct answer for the following multiple choice type of questions :
    Q.1.ix
    The formula used to calculate molar conductivity of an electrolyte is _____.

    Tap an option to check your answer.

  3. Question 3

    Solutions. Asked once: Feb 2025

    Q.27.b
    Derive the equation of Raoult's law for binary solution containing non-volatile solute.

  4. Question 4

    Transition and Inner Transition Elements. Asked once: Jul 2025

    Select and write the correct answer for the following multiple choice type of questions :
    Q.1.viii
    All radioactive elements are present in which of the following _____.

    Tap an option to check your answer.

  5. Question 5

    Alcohols, Phenols and Ethers. Asked once: Feb 2025

    Q.19.a
    Write the reactions for the action of following reagents on phenol : (i) Nitrating mixture (ii) Zinc dust