The graphite rods in the nuclear reactor
react with U to release energy
produce neutrons
undergo combustion which triggers the nuclear fission
convert fast moving neutrons into thermal neutrons
The graphite rods in the nuclear reactor
The first metal used by man was |
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The hydronium ion is |
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The most electropositive elements among the following is |
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The method that cannot be used for removing permanent hardness of water is |
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The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? |
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The gas used for artificial ripening of green fruit is |
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Zone refining is used for the purification of |
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The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is |
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The molecule which has the highest percentage of ionic character among the following is |
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The high reactivity of fluorine is due to |
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