The National Chemical Laboratory is situated in
New Delhi
Bangalore
Pune
Patna
Additional Questions
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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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The mass number of an atom is equal to |
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The maximum number of covalent formed by nitrogen is |
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The formula C6H5-CO-CH3 represents |
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The metal that is usually extracted from sea water is |
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The method of concentrating the ore which makes use of the difference in density between ore and impurities is called |
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The inert gases are ____ in water |
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The molecular formula of phosphorous is |
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The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of |
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The gas present in the stratosphere which filters out some of the suns ultraviolet light and provides an effective shield against radiation damage to living things is |
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