1.

(A) Ionic solids are characterized by high melting and boiling point. (R) Ionic solids have coulombic forces of attraction between their ions.

Answer»

Both (A) and (R) are TRUE and (R) is the correct EXPLANATION of (A)
Both (A) and (R) are true and (R) is not the correct explanation of (A)
(A) is true but (R) is false
Both (A) and (R) are false

Answer :A


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