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S-Block Element...

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  • Question 1
    4 / -1

    Oxone is

  • Question 2
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    When K2O is added to water, the solution is basic because it contains a significant concentration of

  • Question 3
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    When sodium is treated with sufficient oxygen/air, the product obtained is

  • Question 4
    4 / -1

    Alkali metals present in their compounds are always

  • Question 5
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    The paramagnetic species is

  • Question 6
    4 / -1

    Which of the following does not exist?

  • Question 7
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  • Question 8
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    The complex [Cs+ (cryptand – 222)][(crypstand – 222)e-] is called a/an

  • Question 9
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    All the alkali metals give characteristic flame test. The decreasing order of the frequency of light emitted by them is

  • Question 10
    4 / -1

    Mark the correct statement. Lithium peroxide is formed when

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