Chemistry
All of the following substances are crystalline except_____________?
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PVC stands for:?
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Which of the following metal occurs in free state ______________?
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The period of revolution of a geostationary satellite is?
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National Security Council established the National Command Authority on_____________?
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Which navy ship was in action during the war of 1965 and 1971 ?
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Oil rises up to wick in a lamp because_____________?
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Inflammation of liver is caused by____________?
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Laughing gas has chemical composition of following two elements ?
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