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In each of the following two questions t...

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

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • 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
    (a)If both assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    (b)If both assertion and reason are true and the reason is not the correct explanation of the assertion.
    C
    (c )If assertion is true but reason is false.
    D
    (d)If assertion is false but reason is true.

  • 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) - The standard unit for expressing the mass of an atom is a.m.u. Reason (R) - a.m.u. is also called avogram

    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

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    A
    Both A and R are true and R is the correct explanation of A
    B
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    C
    A is true but R is false
    D
    A is false but R is true