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11th Standard English Medium Chemistry Subject Hydrogen Creative 3 Mark Questions with Solution Part - I Question Bank Software Jun-25 , 2021

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11th Standard English Medium Chemistry Subject Hydrogen Creative 3 Mark Questions with Solution Part - I

11th Standard English Medium Chemistry Subject Hydrogen Creative 3 Mark Questions with Solution Part - I

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 15
    5 x 3 = 15

  1. Explain the laboratory preparation of dihyodrogen.

  2. Why is water molecule polar?

  3. Distinguish between (i) hard water and soft water 

  4. Distinguish between (ii) temporary hardness and permanent hardness.

  5. (i) Can marine species live in distilled water?
    (ii) Can distilled water be called as deionised water?

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