HARD
11th CBSE
IMPORTANT
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Which of the following alkaline earth metal sulphates has its hydration enthalpy greater than its lattice enthalpy?

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Important Questions on s-Block Elements (Alkali and Alkaline Earth Metals)

HARD
11th CBSE
IMPORTANT
Among the following, the compound that is readily soluble in water is
HARD
11th CBSE
IMPORTANT
The correct order of increasing thermal stability is:
HARD
11th CBSE
IMPORTANT

The solution which does not produce precipitate when treated with K2CO3 is

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11th CBSE
IMPORTANT
When BaCl2 is added to an aqueous salt solution, white precipitate is obtained. The anion among, CO32-, SO32- and SO42- that was present in the solution can be:
MEDIUM
11th CBSE
IMPORTANT
Which of the following on thermal decomposition yields a basic as well as acidic oxide
EASY
11th CBSE
IMPORTANT
Among the following, the least thermally stable is
HARD
11th CBSE
IMPORTANT
On heating which of the following release CO2 most easily ?