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The s-Block Ele...

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  • Question 1
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    Beryllium carbonate is unstable and can be kept only in the atmosphere of

  • Question 2
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    Radium salts are used in

  • Question 3
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    Choose the correct order of decrease in hydration enthalpies of alkaline earth metals in the options given below

  • Question 4
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    Why does the solubility of alkaline earth metal carbonates and sulphates in water decrease down the group?

  • Question 5
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    Calcium oxide is prepared on a commercial scale by using

  • Question 6
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    Heating a pulverised mixture of limestone and clay in a rotary kiln is used in the manufacture of:

  • Question 7
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    Cement is an industrially important compound of

  • Question 8
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    The alkali metals are low melting. Which of the following alkali metal is expected to melt if the room temperature rises to 30∘C?

  • Question 9
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    Alkali metals react with water vigorously to form hydroxides and dihydrogen.Which of the following alkali metals reacts with water least vigorously?

  • Question 10
    1 / -0

    The reducing power of a metal depends on various factors. Suggest the factor which makes Li, the strongest reducing agent in aqueous solution.

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