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Hydrogen Test - 3
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  • Question 1/10
    4 / -1
    The most abundant element in the universe is thought to be
  • Question 2/10
    4 / -1
    The dielectric constant of H2O is 80. The electrostatic force of attraction between Na+ and Cl– will be
  • Question 3/10
    4 / -1
    The volume strength of 1.5 N H2 O2 solution is
  • Question 4/10
    4 / -1
    Commercial sample of H2O2 is labeled as 10 V. Its % strength is nearly
  • Question 5/10
    4 / -1
    Calgon used as a water softener is
  • Question 6/10
    4 / -1
    Permanent hardness can be removed by adding
  • Question 7/10
    4 / -1
    Which of the following is an example of interstitial hydride ?
  • Question 8/10
    4 / -1
    Which cannot be oxidised by H2O2 ?
  • Question 9/10
    4 / -1
    The volume of oxygen liberated from 0.68 g of H2O2 is
  • Question 10/10
    4 / -1
    Ka of H2 O2 is of the order of
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