1.

(A) : Crystalline solids have sharp and chara cteric melting points. (R) : Crystalline solids have definite heat of fusion.

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 :B


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