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Day 471: MHT-CET Chemistry

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

  1. Question 1

    Chemical Thermodynamics and Energetics. Asked once: 4 May 2023 S2

    68
    Which from the following defines enthalpy of a system?

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  2. Question 2

    Alcohols, Phenols and Ethers. Asked once: 20 Apr 2025 S1

    92
    Which from following statements is correct regarding a detergent sodium lauryl sulphate?

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  3. Question 3

    Aldehydes, Ketones and Carboxylic Acids. Asked once: 10 May 2024 S1

    95
    Which among the following compounds is hemiacetal?

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  4. Question 4

    Chemical Thermodynamics and Energetics. Asked once: 4 May 2023 S1

    89
    Calculate the entropy change for melting 1 g ice at 0∘C0^\circ\text{C} in J g−1^{-1} K−1^{-1} if heat of fusion of ice at 0∘C0^\circ\text{C} is 80 J K−1^{-1}.

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  5. Question 5

    Alcohols, Phenols and Ethers. Asked once: 19 Apr 2025 S1

    89
    Which of the following is the structure of an alcohol with molecular formula C5H12OC_{5}H_{12}O ?

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