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Isotopes of elements were discovered by...

Isotopes of elements were discovered by

A

Soddy

B

Curie

C

Chadwick

D

Thomson

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The correct Answer is:
A
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DINESH PUBLICATION-NUCLEAR AND RADIO CHEMISTRY-Revision Questions from Competitive Exams
  1. Which of the following statements is false ?

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  2. The composition of tritium is

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  3. Isotopes of elements were discovered by

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  4. The number of electrons in the nucleus of C^(12) is

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  5. In the reaction ltBrgt ""(7)N^(14) + ""(2)He^(4) to ""(a)X^(b) +""(1)H...

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  6. The radioactive decay of ""(35)X^(88) by a beta-emission produces an u...

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  7. After emission of one alpha particle followed by one beta-particle fro...

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  8. Heavy water is used as moderator in a nuclear reactor. The function of...

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  9. By removing , one beta-particle from a radio active nucleus, the atomi...

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  10. Which of the following is used as control rod ?

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  11. Which is used as moderator in nuclear reactor?

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  12. 1.0 g of a radioactive isotope left 125 mg after 24 hr. The half-life ...

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  13. A radioactive substance has a half life of 60 minutes. After 3 hours, ...

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  14. Which does not take place by alpha disintegration ?

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  15. A radioactive element X emits 3alpha , one beta and one gamma-particle...

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  16. Which is correct statement ?

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  17. Which is not emitted by radioactive substance ?

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  18. Positron is -

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  19. U^(235) + n^(1)rarr fission product + neutron + 3.2xx 10^(-11)j. The e...

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  20. Which element is the end product of every natural radioactive series?

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