1.

Select the correct order for the given properties - (I) Thermal stability: BaSO_(4) gt SrSO_(4) gt CaSO_(4) gt MgSO_(4) (II) Basic Nature : ZnO gt BeO gt MgO gt CaO (III) Solubility in water : LiOH gt NaOH gt KOH gt RbOH (IV) Melting point : NaCl gt KCl gt RbCl gt LiCl

Answer»

I, IV
I, II and IV
II, III
All are correct

Answer :A


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