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Assertion: Both 12 g. of carbon and 27 g...

Assertion: Both `12 g`. of carbon and `27 g`. of aluminium will have `6.02xx10^(23)` atoms.
Reason: Gram atomic mass of an element contains Avogadro's number of atoms.

A

Statement-1 : is True, Statement-2 : is True, Statement-2 : is a correct explanation 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 Ture, Statement-2 : is False.

D

Statement-1 : is False, Statement-2 : is True.

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • In each of the following two questions two statements are given one labelled as the Assertion(A) or Statement I and the other labelled as the reason (R) or statement II. Examine these statements carefully and mark the correct choice as per following instructions Assertion (A) - Both 12 g of carbon and 27 g of aluminium will have 6.12xx10^(23) atoms Reason (R) - Gram atomic mass of an element contains Avogadro number of atoms

    A
    Both A and R are true and R is the correct explanation of A
    B
    Both A and R are true but R is not a correct explanation of A
    C
    A is true but R is false
    D
    A is false but R is true

  • The gram atomic mass of an element is 32 g. The number of moles in 48g of element are

    A
    0.5mol
    B
    2.5 mol
    C
    1.5 mol
    D
    0.75 mol.

  • 3.011 xx 10^(22) atoms of an element weight 1.15 g. The atomic mass of the element is :-

    A
    10 amu
    B
    2.3 amu
    C
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    D
    23 amu

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