Previous year MCQs

General science UPPSC 2009 GS-I
Question

Enriched uranium are:

Answer & Solution

Answer: (Detailed Solution Below)

Option B: Natural Uranium in which the component of radio active isotope U-235 is artificially increased

Detailed Solution:

The correct answer is “Natural Uranium in which the component of radio active isotope U-235 is artificially increased”.
Enriched uranium is natural uranium in which the percentage of the radioactive isotope uranium-235 has been increased through a process called isotope separation. This process is usually done in a centrifuge to separate uranium-235 from the heavier uranium-238 isotope.

Similar Questions:

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  2. B) Nitrate
  3. C) Ammonia
  4. D) Nitride
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Arrange the following substances in chronological order of their first synthesis in lab:

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2. Fullerene
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Select correct answer from the codes given below:
Codes:
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  2. B) 4 2 3 1
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