PYQ Vault

Day 11: MH HSC Class 12 Chemistry

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

  1. Question 1

    Coordination Compounds. Asked 2 times: Feb 2024, Feb 2026

    Q. 23(i)
    Write the postulates of Werner's theory of co-ordination complexes.

  2. Question 2

    Electrochemistry. Asked 2 times: Mar 2018, Feb 2026

    Select and write the correct answer for the following multiple choice type of questions :
    Q.1.i
    The electrolyte used in H2−O2\mathrm{H_2 - O_2} fuel cell is _____.

    Tap an option to check your answer.

  3. Question 3

    Green Chemistry and Nanochemistry. Asked 2 times: Jul 2025, Feb 2026

    Q. 21(i)
    Write the formula to measure % atom economy according to green chemistry.

  4. Question 4

    Green Chemistry and Nanochemistry. Asked 2 times: Feb 2025, Feb 2026

    Q. 7(i)
    Write example of one dimensional nanostructure of size less than 100 nm.

  5. Question 5

    Green Chemistry and Nanochemistry. Asked 2 times: Mar 2023, Feb 2026

    Q. 19(ii)
    Define Green chemistry.