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Two metals (A) and (B) belong to the sam...

Two metals `(A)` and `(B)` belong to the same group of the periodic table. Metal `(A)` forms and insoluble oxide but a soluble sulphate, metal `(B)` forms a soluble oxide but an insoluble oxide but an insoluble sulphate. Both metals `(A)` and `(B)` form hydroxides which are soluble in alkalis. `(A)` and `(B)` are

A

`P=Be, Q=Ba`

B

`P=Mg, Q=Ca`

C

`P=Ca, Q=Sr`

D

`P=Ba, Q=Mg`

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Knowledge Check

  • Alkali metals belong to which group in the periodic table ?

    A
    Group-2
    B
    Group-1
    C
    Group-3
    D
    None of these

  • Two metals X and Y belong to the cond group of periodic table. X forms insoluble oxide but soluble sulphate. Y forms a soluble oxide but insoluble sulphate. Hydroxide of metal X is soluble in NaOH while that of metal Y is insoluble in NaOH. What are metals X and Y?

    A
    X=Be,Y=Ba
    B
    X=Mg,Y=Ca
    C
    X=Ca,Y=Sr
    D
    X=Ba,Y=Mg

  • Alkali metal oxides are soluble in

    A
    Carbon tetrachloride
    B
    Benzene
    C
    Water
    D
    Kerosene oil.
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