1.

Statement-1:An element has variable equivalent mass. Because Statement-2: The valency of element is variable.

Answer»

Statement-1 is TRUE, statement-2 is true, statement-2 is a correct explanantion for statement-1
Statement-1 is true, statement-2 is true, statement-2 is not a correct EXPLANATION for statement-1.
Statement-1 is true, statement-2 is false.
Statement-1 is false, statement-2 is true.

Answer :C


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