1.

Statement-1: Avogadro's number is a dimensionless quantity. because Statement-2: It is a number of atoms or molecules in one gram mole.

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 :B


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