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11th Standard English Medium Chemistry Subject Solutions Book Back 2 Mark Questions with Solution Part - I updated Book back Questions Question Bank Software May-13 , 2022

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11th Standard English Medium Chemistry Subject Solutions Book Back 2 Mark Questions with Solution Part - I updated Book back Questions

11th Standard English Medium Chemistry Subject Solutions Book Back 2 Mark Questions with Solution Part - I

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 10

    Part I

    5 x 2 = 10

  1. The antiseptic solution of iodopovidone for the use of external application contains 10 % w/v of iodopovidone. Calculate the amount of iodopovidone present in a typical dose of 1.5 mL.

  2. At 400 K 1.5 g of an unknown substance is dissolved in solvent and the solution is made to 1.5 L. Its osmotic pressure is found to be 0.3 bar. Calculate the molar mass of the unknown substance.

  3. What is a vapour pressure of liquid ?
    What is relative lowering of vapour pressure ?

  4. State Raoult law and obtain expression for lowering of vapour pressure when nonvolatile solute is dissolved in solvent.

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