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Which of the following "is"//"are" ture?...

Which of the following `"is"//"are"` ture?

A

The most radioactive element present in pitchblende is uranium.

B

`P-32` is used for the treatment of leukaemia.

C

`CO_(2)` present in the air contains `C-12` only.

D

Omission of `gamma`-rays changes the mass number but not atomic number.

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The correct Answer is:
B, C
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CENGAGE CHEMISTRY-NUCLEAR CHEMISTRY-Exercises Multiple Correct
  1. Which of the following nuclei are doubly magic?

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  2. In the decay process: A overset(- alpha)rarr B overset(-beta)rarr C ...

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  3. Which of the following "is"//"are" incorrect?

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  4. When nucleus of an electrically neutral atom undergoes a radioactive d...

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  5. Which among the following "is"//"are" fissible?

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  6. The half life period of a radioactive elements does not depend upon:

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  7. Which of the following "is"//"are" correct?

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  8. Which of the following "is"//"are" ture?

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  9. Which of the following "is"//"are" the examples of induced radioactivi...

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  10. Which of the following "is"//"are" correct?

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  11. For emission of alpha-particle from uranium nucleus: .(92)U^(235) - ...

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  12. Radioactivity is generally not found in

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  13. Which of the following statements about radioactivity is are true?

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  14. Which of following contains (s) material particles?

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  15. Which one of the following statements "is"//"are" correct?

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  16. Which of the following "is"//"are" not radioactive element(s)?

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  17. The correct starting material and product of different disintegration ...

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  18. Which of the following "is"//"are" correct when a nuclide of mass numb...

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  19. The nuclide X undergoes alpha-decay and another nuclides Y undergoes b...

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  20. The mass defect of the nuclear reaction .(5)B^(8) rarr .(4)Be^(8) + .(...

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