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21
The most abundant isotope of natural uranium is
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Answer: Option A
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22
Which of the following is artificially produced as it does not occur in nature?
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Answer: Option D
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23
Function of control rod in a nuclear reactor is to control
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Answer: Option D
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24
Atoms with same number of neutrons, but different number of nucleons are called
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Answer: Option A
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25
The mass number of an element is equal to the number of __________ in the nucleus.
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Answer: Option D
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26
Radioactivity of an isotope is expressed in
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Answer: Option C
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27
Out of the followingplaces, a nuclear power plant is not located at
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Answer: Option A
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28
Nuclear power plant is not located at
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Answer: Option A
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29
The disintegration rate of a radioactive element
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Answer: Option B
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30
When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as
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Answer: Option D
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