12. Assertion : Atomicity of oxygen molecule is 2.
Reason: 1 mole of an element contains 6.022 x 1023 atoms.
a. Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
b. Both assertion (A) and reason (R) are true but the reason (R) is not the correct explanation of assertion (A).
c. Assertion (A) is true but reason (R) is false.
d. Assertion (A) is false but reason (R) is true.
Answers: 1
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12. Assertion : Atomicity of oxygen molecule is 2.
Reason: 1 mole of an element contains 6.022 x 10...
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