Everyday Science
Glass is made of the mixture of______________?
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Rusting of iron involves_______________?
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Who discovered Gamma Rays?
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One mega ohm = ?
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The only vitamin which cannot be stored in human body?
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Exposure to sunlight helps a person improve his health because_______
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When hydrogen filled balloon rises high in the atmosphere:
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Excessive heating and repeated use of cooking oil is most undesirable because:
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Greenhouse effect’ means:
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