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Q. Heavy metal pollution of water is caused by:
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Q. For a person having Hypermetropia , the near point is
Q. Find the linear momentum of a photon of energy 6 × 10^-20 J.
Q. People die in an atmosphere of carbon dioxide because
Q. The universal law of gravitation was propounded by
Q. A weightless rubber balloon has 100gm of water in it. Its weight in water will be
Q. Acid present in gastric juice is
Q. An organic which produces bluish green coloured flame on heating in presence of copper is
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