Self Studies

The s-Block Ele...

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  • Question 1
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    Which of the following in creasing order is NOT correct as per the property indicate against it? 

  • Question 2
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    Zn and Cd metals do not show variable valency because:

  • Question 3
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    Which of the following on heating gives oxides quickly ?

  • Question 4
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    Beryllium hydroxide on reaction with acid forms 

  • Question 5
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    In aqueous solution beryllium sulphate exist as:

  • Question 6
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    Which of the following properties is not true for an alkali metal?

  • Question 7
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    The correct sequence of increasing melting point of $$BeCl_{2},MgCl_{2},CaCl_{2},SrCl_{2}$$ and $$BaCl_{2}$$ is

  • Question 8
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    $$LiAlH_4$$ is obtained by reacting an excess of _____  with an ethereal solution of $$AlCl_3$$:

  • Question 9
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    Excess of $$Na^+$$ ions in human system causes 

  • Question 10
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    Lithium selenide can be described as a cubic closest-packed array of selenide ions with lithium ions in all of the tetrahedral holes. Formula of lithium selenide is 

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