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10th Standard English Medium Science Subject Solutions Book Back 4 Mark Questions with Solution Part - I updated Book back Questions

10th Standard English Medium Science Subject Solutions Book Back 4 Mark Questions with Solution Part - I

10th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 20
    5 x 4 = 20

  1. Write notes on
    i) saturated solution
    ii) unsaturated solution

  2. Write notes on various factors affecting solubility.

  3. In what way hygroscopic substances differ from deliquescent substances.

  4. A solution is prepared by dissolving 45 g of sugar in 180 g of water. Calculate the mass percentage of solute.

  5. 3.5 litres of ethanol is present in 15 litres of aqueous solution of ethanol. Calculate volume percent of ethanol solution.

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