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Day 270: MHT-CET Chemistry

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

  1. Question 1

    Solid State. Asked once: 20 Apr 2025 S1 (same type asked 13 times) See all 13 of this type

    98
    Calculate the molar mass of an element if it forms fcc unit cell structure [mass of unit cell =1.8×10−22 g, NA=6.022×1023 mol−1= 1.8 \times10^{- 22}\text{ }g,{\text{ }N}_{A}= 6.022 \times10^{23}{\text{ }mol}^{- 1} ]

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  2. Question 2

    Chemical Thermodynamics and Energetics. Asked once: 16 May 2023 S1 (same type asked 13 times) See all 13 of this type

    67
    The enthalpy of vaporisation of a liquid is 30 kJ mol−130\,\text{kJ mol}^{-1} and entropy of vaporisation is 75 J K−1mol−175\,\text{J K}^{-1}\text{mol}^{-1}. Calculate boiling point of liquid at 1 atm.

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  3. Question 3

    Solid State. Asked once: 19 Apr 2025 S2 (same type asked 13 times) See all 13 of this type

    62
    The volume occupied by a particle in a simple cubic unit cell is 2.1×10−23 cm32.1\times 10^{-23}\,\text{cm}^3. Calculate the value of xx if the volume of the unit cell is x×10−23 cm3x\times 10^{-23}\,\text{cm}^3. (Use π=22/7\pi = 22/7.)

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  4. Question 4

    Transition and Inner Transition Elements. Asked once: 20 Apr 2025 S2 (same type asked 13 times) See all 13 of this type

    90
    Which cation from following develops least magnetic moment?

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  5. Question 5

    Green Chemistry and Nanochemistry. Asked once: 15 Apr 2026 S1 (same type asked 13 times) See all 13 of this type

    30
    Which of the following nano structures includes nanotubes as an example?

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