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Hydrogen Test - 19
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  • Question 1/10
    4 / -1
    1. H2O2 acts as bleaching agent because of if its oxidising property
    2. It is dangerous to used H2O2 is maintenance of environment
    3. H2O2 is used is preperation of good quality detergents
    4. Perhydral is used as a disuifectant
  • Question 2/10
    4 / -1
    1. A paper with stain of black Pbs, dipped in H2O2 solution turns white
    2. The colour of acidified KMnO4 does not disappear when H2O2 is added
    3. A basic solution containing Fe3+ ion turn blue on addition of H2O2
  • Question 3/10
    4 / -1
    1. Tritium can be obtained from natural source.
    2. In ionic hydrides the oxidation state of hydrogen is +1
    3. The four atom of oxygen in H2O2 are in the same plane
    4. Na2CO3 removes temporary & permannent hardenes
  • Question 4/10
    4 / -1
    Statement S: The position of hydrogen is not fixed,
    Statement R: Hydrogen resemker alkali metals because of its stable +1 oxidation state.
  • Question 5/10
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  • Question 6/10
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  • Question 7/10
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  • Question 8/10
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    2.72 g of H2O2 is present in 50 ml solution Calculate M, N, Strength gL-1 Volume strength H2O2
  • Question 9/10
    4 / -1

  • Question 10/10
    4 / -1

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