PYQ Vault

Day 82: MH HSC Class 12 Chemistry

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

  1. Question 1

    Halogen Derivatives. Asked once: Feb 2026

    Q. 6(ii)
    Define – Enantiomers

  2. Question 2

    Introduction to Polymer Chemistry. Asked once: Feb 2026

    Answer the following questions :
    Q.2.vii
    Write the chemical name of Teflon.

  3. Question 3

    Ionic Equilibria. Asked once: Jul 2025

    Select and write the correct answer for the following multiple choice type of questions :
    Q.1.iii
    pH of human blood is _____.

    Tap an option to check your answer.

  4. Question 4

    Solid State. Asked once: Mar 2014

    Q.4.i
    To prepare n-type semiconductor, the impurity to be added to silicon should have the following number of valence electrons?.

    Tap an option to check your answer.

  5. Question 5

    Solutions. Asked once: Jul 2025

    Q. 15
    A mixture of benzene and toluene contains 30% by mass of toluene. At 30°C, vapour pressure of pure toluene is 36.7 mmHg and that of pure benzene is 118.2 mmHg. Assuming that the two liquids form ideal solution, calculate partial pressure of each constituent in the above solution at 30°C.