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Day 402: MHT-CET Chemistry

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

  1. Question 1

    States of Matter. Asked once: 19 May 2026 S2

    5
    What is the value of critical temperature of CO2\mathrm{CO_2} in ∘C^\circ\mathrm{C}?

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  2. Question 2

    Structure of Atom. Asked once: 17 Apr 2026 S1

    2
    What is uncertainty in velocity of an electron if uncertainty in measurement of position is 50 pm ? (me=9.1×10−31kg, h=6.63×10−34Js, π=3.142)(m_e = 9.1 \times 10^{-31}\mathrm{kg},\ h = 6.63 \times 10^{-34}\mathrm{Js},\ \pi = 3.142)

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  3. Question 3

    Surface Chemistry. Asked once: 11 Apr 2026 S2

    50
    What is the result when soap is used in hard water?

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  4. Question 4

    Transition and Inner Transition Elements. Asked once: 19 May 2026 S1

    38
    Identify the position of lanthanum in terms of the following blocks in the modern periodic table?

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  5. Question 5

    Alcohols, Phenols and Ethers. Asked once: 15 May 2026 S1

    42
    Identify the type of compounds obtained when methanol is reacted with R-Mg-X.

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