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IMPORTANT
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The stable superoxide is formed by the element

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Important Questions on The s-Block Elements

MEDIUM
JEE Main/Advance
IMPORTANT
Calcium is obtained by the
EASY
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IMPORTANT
Which of the following does not illustrate the anomalous properties of Li ?
EASY
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IMPORTANT
A metal X on heating in nitrogen gas gives Y. on treatment with H2O gives a colourless gas which when passed through CuSO4 solution gives a blue colour. Y is -
HARD
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IMPORTANT
The substance not likely to contain CaCO3 is
MEDIUM
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IMPORTANT
A metal M readily forms water soluble sulphate MSO4, water insoluble hydroxide MOH2 and oxide MO which becomes inert on heating. The hydroxide is soluble in NaOH. Then M is:
HARD
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IMPORTANT
The correct statement is/are :
EASY
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IMPORTANT
The paramagnetic species is
HARD
JEE Main/Advance
IMPORTANT
The pair of amphoteric hydroxides is :-