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Hydrogen Test -...

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  • Question 1
    4 / -1

    The most abundant element in the universe is thought to be

  • Question 2
    4 / -1

    The dielectric constant of H2O is 80. The electrostatic force of attraction between Na+ and Cl– will be

  • Question 3
    4 / -1

    The volume strength of 1.5 N H2 O2 solution is

  • Question 4
    4 / -1

    Commercial sample of H2O2 is labeled as 10 V. Its % strength is nearly

  • Question 5
    4 / -1

    Calgon used as a water softener is

  • Question 6
    4 / -1

    Permanent hardness can be removed by adding

  • Question 7
    4 / -1

    Which of the following is an example of interstitial hydride ?

  • Question 8
    4 / -1

    Which cannot be oxidised by H2O2 ?

  • Question 9
    4 / -1

    The volume of oxygen liberated from 0.68 g of H2O2 is

  • Question 10
    4 / -1

    Ka of H2 O2 is of the order of

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