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Proton
Ion
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Which type of fire extinguisher is used for petroleum fire ?
Which variety of coal contains recognisable traces of the original plant material ?
White coal is
White lung cancer is caused by
White phosphorous is stored in
White phosphorus is generally kept under
Who among the following demonstrated experimentally that simple organic molecules like sugars and amino acids could be produced from inorganic molecules if early earth atmosphere is created
Who developed the model of atomic structure ?
Who discovered electron?
Who is the father of modern chemistry?