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The s-Block Ele...

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  • Question 1
    1 / -0

    Which one of the following will not give flame test?

  • Question 2
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    The increasing order of the density of alkali metals :

  • Question 3
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    Which of the following alkali metals when burnt in air forms a mixture of oxide as well as nitride?

  • Question 4
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    The first element of the groups 1 and 2 are different from other members of the respective groups. Their behaviour is more similar to the second element of the following groups. What is this relationship known as?

  • Question 5
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    The pair of amphoteric oxides is:

  • Question 6
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    Lithium salts are mostly hydrated like $$ LiCl.2H_2O $$ due to:

  • Question 7
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    Directions For Questions

    Beryllium differs from reset of the alkaline earth metals on account of its small size, and high electronegativity as compared to other alkaline earth metals. However it shows diagonal relationship with aluminium of the next period. Due to high polarising power of $$Be^{2+}$$ and $$Al^{3+}$$ their compounds develop covalent nature.

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    Which of the following is not the point of difference between Be and other alkaline earth metals? 

  • Question 8
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    Which nitrate will decompose to give $$NO_2$$ on heating?

  • Question 9
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    Which is the correct sequence of solubility of carbonates of alkaline earth metals?

  • Question 10
    1 / -0

    Which of the following does not show diagonal relationship between beryllium and aluminium? 

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