Chemistry
Brass gets discoloured in air because of the presence of which of the following gases in air ________ ?
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Boundary commission was headed by__________?
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Botany is also called _______ ?
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Avogadro number represents_________________?
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Aviation fuel for Jet Aeroplanes consists of purified________?
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Atomic power plant works on the principle of?
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Atephobia is fear of _________?
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Another name of vitamin C is__________?
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An ordinary mobile phone communicate by using___________?
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