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Hydrogen Test -...

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  • Question 1
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    On an industrial scale $${ H }_{ 2 }{ O }_{ 2 }$$ is prepared by auto oxidation of ______.

  • Question 2
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    Hydrogen oxidised is reduced by 

  • Question 3
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    Hydrogen peroxide is obtained by the electrolysis of _________

  • Question 4
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    Intramolecular H-bonding is present in:

  • Question 5
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    The amount of water recommended by united nations for drinking, washing, cooking and maintaning, proper hygiene is a minimum__________ (i) litre per person/day. This amount is about _____(ii) bucket of water Per Person/day. The upper limit of layer, where all the space between particle of soil and gaps between rocks are filled with water is called ______  (iii) and and it can be recharge by  _____(v)._________(vi) is a technique of watering plants by making use of narrow deliver water directly A the base of plants.

  • Question 6
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    $$H^+$$ in acid medium is balanced by which of the following species

  • Question 7
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    Correct order of ionic character is:

  • Question 8
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    Water gas is a mixture of 

  • Question 9
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    Which of the following ions have highest ionic density?

  • Question 10
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    The correct statements among (a) to (d) regarding H$$_2$$ as a fuel are :

    (a) It produces less pollutant than petrol.
    (b) A cylinder of compressed dihydrogen weighs $$\sim 30$$ times more than a petrol tank producing the same amount of energy.
    (c) Dihydrogen is stored in tanks of metal alloys like $$NaNi_5$$
    (d) On combustion, values of energy released per gram of liquid dihydrogen and LPG are 50 and 142 kJ, respectively

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