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Magnification increases by decreasing the focal length of the lens.
Hence the keyed answer is Decreasing focal length of the lens.
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It slows oxidation — an inhibitor.
So the correct answer is Quinoline is an inhibitor.
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Pencil “lead” is graphite — a form of carbon.
Hence the keyed answer is Carbon.
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SI mass unit is the kilogram.
Hence the keyed answer is Kilogram.
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Bronze is mainly copper and tin.
So the correct answer is Copper and Tin.
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Lemons are rich in citric acid.
So the correct answer is Citric Acid.
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