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11th Standard English Medium Chemistry Subject Hydrogen Creative 1 Mark Questions with Solution Part - I Question Bank Software Jun-24 , 2021

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11th Standard English Medium Chemistry Subject Hydrogen Creative 1 Mark Questions with Solution Part - I

11th Standard English Medium Chemistry Subject Hydrogen Creative 1 Mark Questions with Solution Part - I

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5

  1. The half life period of Tritium is ___________

    (a)

    12.33 secs

    (b)

    12.33 mins

    (c)

    12.33 hrs

    (d)

    12.33 years

  2. Ammonia is manufactured by __________ process.

    (a)

    Contact

    (b)

    Bergius

    (c)

    Haber's

    (d)

    none of the above

  3. ___________ torches is/are used in cutting and welding of a steel.

    (a)

    Oxy acetylene

    (b)

    Oxy hydrogen

    (c)

    both a and b

    (d)

    neither a nor b

  4. Hydrogen is used in _________

    (a)

    hydrogenation of oils

    (b)

    fuel cells

    (c)

    gas bags for air ships

    (d)

    all the above

  5. The conversion of atomic hydrogen to dihydrogen is a __________ change.

    (a)

    endothermic

    (b)

    exothermic

    (c)

    photochemical

    (d)

    nuclear

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