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The p-Block Ele...

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  • Question 1
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    The catalytic promoter used in Haber's process is :

  • Question 2
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    Calcium cyanamide on treatment with steam under pressure gives ammonia and :

  • Question 3
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    Nitrogen form $$N_2$$ but phosphorous when forms $$P_2$$ gets readily converted into $$P_4$$ because : -

  • Question 4
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    Ammonia is dried over :

  • Question 5
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    Non metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.

    Non-metal other than carbon, which shows allotropy is:

  • Question 6
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    Which of the following belongs to the halogen family?

  • Question 7
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    Chlorine was discovered by:

  • Question 8
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    Zero group elements are known as____________.

  • Question 9
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    Most abundant uncombined element present in atmosphere is :

  • Question 10
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    The percentage of p-character in the orbitals forming PPP−P is :

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