MEDIUM
CG PET
IMPORTANT
Earn 100

In the radioactive decay process

1. A and B are isobars
2. A and D are isotopes
3. C and D are isobars
4. A and C are isotopes

(a) and
(b) and
(c) and
(d) and

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Important Questions on Nuclear Chemistry
HARD
CG PET
IMPORTANT
A radioactive sample is emitting times radiations than non-hazardous limit. If its half life is , after what time it become non hazardous?

EASY
CG PET
IMPORTANT
If the quantity of a radioactive element is doubled, the rate of disintegration will

EASY
CG PET
IMPORTANT
In nuclear transmutation and are respectively
