Which of the following substances is insoluble in water?
- A$H_2O$
- B$HgCl_2$
- C$Ca(NO_3)_2$
- D$CaF_2$
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Which of the following properties is exhibited by group $2$ elements?
The tendency of forming chloride hydrates of alkaline earth metals is in the order of
The number of water molecules in gypsum and plaster of paris respectively are
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View SolutionAssertion : The ionic radii of the alkaline earth metals are smaller than those of alkali metals in the same period.
Reason : Alkali metals have higher nuclear charge than that of the alkaline earth metals.
Reason : Alkali metals have higher nuclear charge than that of the alkaline earth metals.
Correct order of density in $IIA$ group (alkaline earth metals) is:
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