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Q. In upper layer of atmosphere ozone is formed by
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Q. Seaweeds are important source of
Q. In addition to hydrogen, the other abundant element present on Sun's surface is
Q. Atoms of different elements have
Q. When two gases are mixed, the entropy
Q. What do we call the reaction when an acid and a base react together to form salt and water?
Q. Intermolecular forces in HCl are
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