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Statement-1: Avogadro's number is a dime...

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

A

Statement-1 is true, statement-2 is true, statement-2 is a correct explanantion for statement-1

B

Statement-1 is true, statement-2 is true, statement-2 is not a correct explanation for statement-1.

C

Statement-1 is true, statement-2 is false.

D

Statement-1 is false, statement-2 is true.

Text Solution

Verified by Experts

The correct Answer is:
B
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What type of quantity is Avogadro's number ?

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Knowledge Check

  • Statement-1 : Plane angle is a dimensionaless quantity. Statement-2 : All supplementary quantities are dimensionless.

    A
    Statement-1 is true and statement -2 is true
    B
    Statement -1 is true and statement-2 is false
    C
    Statement-1 is false and statement -2 is true
    D
    Statement-1 is false and statement -2 is false

  • Statement-1: Specific gravity is dimensionless quantity. Because Statement-2: Specific gravity is relative density of a substance, measured with respect to density of water at 4^(@)C .

    A
    Statement-1 is true, statement-2 is true, statement-2 is a correct explanantion for statement-1
    B
    Statement-1 is true, statement-2 is true, statement-2 is not a correct explanation for statement-1.
    C
    Statement-1 is true, statement-2 is false.
    D
    Statement-1 is false, statement-2 is true.

  • Statement-1: Vapour density of CH_(4) is half of O_(2) . Because Statement-2: 1.6 g of CH_(4) contains same number of electrons as 3.2 g of O_(2) . Statement-2: Specific gravity is dimensionless quantity. Because Statement-2: Specific gravity. is relative density of a substance, measured with respect to density of water at 4^(@)C ?

    A
    Statement-1 is true, statement-2 is true, statement-2 is a correct explanantion for statement-1
    B
    Statement-1 is true, statement-2 is true, statement-2 is not a correct explanation for statement-1.
    C
    Statement-1 is true, statement-2 is false.
    D
    Statement-1 is false, statement-2 is true.

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