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1) The National Chemical Laboratory is situated in
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1) The National Chemical Laboratory is situated in
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2) Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be
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3) The mass number of an atom is equal to
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4) The maximum number of covalent formed by nitrogen is
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5) The formula C6H5-CO-CH3 represents
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6) The metal that is usually extracted from sea water is
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7) The method of concentrating the ore which makes use of the difference in density between ore and impurities is called
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8) The inert gases are ____ in water.
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9) The molecular formula of phosphorous is
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10) The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of
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You are learning MCQ Questions of Chemistry Department : 2 | Page : 1
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