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12th Standard English Medium Chemistry Subject Electro Chemistry Creative 1 Mark Questions with Solution Part - I

12th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5
  1. When sodium acetate is added to acetic acid, the degree of ionisation of acetic acid ______.

    (a)

    increases

    (b)

    decreases

    (c)

    dose not change

    (d)

    becomes zero

  2. NH4OH is a weak base because ______.

    (a)

    it has low vapour pressure

    (b)

    it is only partially ionised

    (c)

    it is completely ionised

    (d)

    it has low density

  3. An example for 1 : 1 electrolyte is ______.

    (a)

    H2SO4

    (b)

    Na2SO4

    (c)

    NaCI

    (d)

    Al2(SO4)3

  4. According to Faraday's first law m = ZIt, where Z is ______.

    (a)

    reaction quotient

    (b)

    effective nuclear charge

    (c)

    atomic number

    (d)

    electrochemical equivalent

  5. 1 mho is equal to ______.

    (a)

    1 siemen

    (b)

    1 second

    (c)

    1 ohm

    (d)

    none of the above

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