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Day 117: MHT-CET Chemistry

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

  1. Question 1

    States of Matter. Asked 2 times: 15 May 2023 S2*, 12 May 2026 S2 (* = numbers or wording changed that year) See all 2 times it was asked

    5
    Which among the following gases is difficult to liquefy ?

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  2. Question 2

    Surface Chemistry. Asked 2 times: 9 May 2023 S1, 12 May 2026 S2 See all 2 times it was asked

    31
    What type of collodial system is milk?

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  3. Question 3

    Chemical Thermodynamics and Energetics. Asked 2 times: 20 Apr 2026 S2*, 12 May 2026 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    7
    Calculate ΔfH\Delta_f H for C(s)+2H2(g)→CH4(g)\mathrm{C(s) + 2H_2(g) \rightarrow CH_4(g)} i. C(s)+O2(g)→CO2(g)\mathrm{C(s) + O_2(g) \rightarrow CO_2(g)}; ΔH1=−393.5\Delta H_1 = -393.5 kJ/mol ii. H2(g)+1/2 O2(g)→H2O(l)\mathrm{H_2(g) + 1/2\,O_2(g) \rightarrow H_2O(l)}; ΔH2=−285.8\Delta H_2 = -285.8 kJ/mol iii. CH4(g)+2O2(g)→CO2(g)+2H2O(l)\mathrm{CH_4(g) + 2O_2(g) \rightarrow CO_2(g) + 2H_2O(l)}; ΔH3=−890.3\Delta H_3 = -890.3 kJ/mol

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  4. Question 4

    Introduction to Polymer Chemistry. Asked 2 times: 15 Apr 2026 S2, 12 May 2026 S1 See all 2 times it was asked

    48
    Which of the following compounds is used to obtain bakelite?

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  5. Question 5

    Ionic Equilibria. Asked 2 times: 10 May 2023 S1, 12 May 2026 S1 See all 2 times it was asked

    9
    Calculate the pH of 10−810^{-8} M HCl solution at 25 ∘C25\ ^\circ\mathrm{C}.

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