The graphite rods in the nuclear reactor
Answer: D
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Discovery of the nucleus of an atom was due to the experiment carried out by
Answer: B
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The major constituent of air is
Answer: B
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The mass of one Avogadro number of helium atom is
Answer: D
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The most important ore of aluminium is
Answer: A
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The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is
Answer: C
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The gas used for artificial ripening of green fruit is ?
Answer: B
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The number of neutrons in dipositive Zinc ion is
Answer: D
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Among the given nutrients, milk is a poor source of
Answer: C
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The ionic radii of N3-, O2-, F- and Na+ follows the order
Answer: A
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