PYQ Vault

Day 76: MHT-CET Chemistry

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

  1. Question 1

    Biomolecules. This type asked 4 times: May 2022 S1, 3 May 2023 S2, 4 May 2023 S2, 16 May 2023 S1. This one: 16 May 2023 S1 See all 4 of this type

    70
    What is the number of moles of oxygen and number of moles of N atoms respectively present in one mole thymine?

    Tap an option to check your answer.

  2. Question 2

    Solid State. Asked 3 times: 4 May 2023 S1*, 15 May 2023 S1*, 19 May 2026 S2 (* = numbers or wording changed that year) See all 3 times it was asked

    21
    Which of the following is an example of ferromagnetic substance?

    Tap an option to check your answer.

  3. Question 3

    Chemical Kinetics. Asked 3 times: 25 Apr 2025 S1*, 16 Apr 2026 S1*, 19 May 2026 S1 (* = numbers or wording changed that year) See all 3 times it was asked

    32
    Calculate the activation energy when the rate of chemical reaction doubles with an increase of 1010 K in absolute temperature from 298298 K. (R×2.303=19.15 J K−1 mol−1)(R \times 2.303 = 19.15\ \mathrm{J\ K^{-1}\ mol^{-1}}).

    Tap an option to check your answer.

  4. Question 4

    Surface Chemistry. Asked 3 times: 16 May 2023 S2, 20 Apr 2025 S1, 19 May 2026 S1 See all 3 times it was asked

    34
    Identify a positively charged sol from the following.

    Tap an option to check your answer.

  5. Question 5

    Alcohols, Phenols and Ethers. Asked 3 times: 10 May 2023 S1, 18 Apr 2026 S2, 15 May 2026 S2 See all 3 times it was asked

    37
    Which of the following is gaseous ether?

    Tap an option to check your answer.