Chemistry Which variety of coal contains recognisable traces of the original plant material ? Anthracite Peat Lignite Bitumen Anthracite Peat Lignite Bitumen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Hydrogen Oxygen Nitrogen Carbon dioxide Hydrogen Oxygen Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements in the modern Periodic table are arranged according to their Atomic Weight Neutron number Atomic number Mass number Atomic Weight Neutron number Atomic number Mass number ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Lighter than nitrogen Less soluble in blood than nitrogen at high pressure Less poisonous than nitrogen Readily miscible with oxygen Lighter than nitrogen Less soluble in blood than nitrogen at high pressure Less poisonous than nitrogen Readily miscible with oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Ammonia and Ozone Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Ammonia and Ozone Carbon tetraflouride and Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Natural Gas Coal Petroleum Firewood Natural Gas Coal Petroleum Firewood ANSWER DOWNLOAD EXAMIANS APP
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