1.

(A) The activity of 1 g pure uranium-235 will be greater than the same amount present in U_(3) O_(6) (R ) In the combined state, the activity of the radioactive element decreases.

Answer»

If both (A) and (R ) are CORRECT and (R ) is the correct EXPLANATION for (A).
If both (A) and (R ) are correct but (R ) is not the correct explanation for (A )
If both (A) and (R ) are incorrect.
If both (A) and (R ) are incorrect.

Answer :D


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