Chemistry Mercury is emitted into air by Burning coal Steam engine Burning garbage Coal fire Burning coal Steam engine Burning garbage Coal fire ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of Naphthalene is Diesel Camphor Coal-tar Charcoal Diesel Camphor Coal-tar Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which method will be employed to test the hardness of water? Boiling None of these Distillation Formation of lather with soap Boiling None of these Distillation Formation of lather with soap ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? SO2 NO CO PAN SO2 NO CO PAN ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Iron Copper Tin Aluminium Iron Copper Tin Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is ozone depleting pesticide ? Benzene Ethylene ozonide Methyl bromide D.T. Benzene Ethylene ozonide Methyl bromide D.T. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS