Chemistry Which of the following is not a gaseous air pollutant? Oxides of sulphur Smoke Hydrocarbon Oxides of nitrogen Oxides of sulphur Smoke Hydrocarbon Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? Deforstation CFC emission Methane emission Carbondioxide emission Deforstation CFC emission Methane emission Carbondioxide emission ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Atomic theory' of matter was given by Pascal Avogadro Dalton Newton Pascal Avogadro Dalton Newton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Burning coal Burning garbage Coal fire Steam engine Burning coal Burning garbage Coal fire Steam engine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond None of these Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Aqua-regia Hydrochloric acid Nitric acid Acetic acid Aqua-regia Hydrochloric acid Nitric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
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