Chemistry Which of the following metals is not a pollutant ? Lead Arsenic Mercury Aluminium Lead Arsenic Mercury Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Hydrocarbon Smoke Oxides of sulphur Oxides of nitrogen Hydrocarbon Smoke Oxides of sulphur Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' Democritus Antoine Lavoisier Robert Boyle John Dalton Democritus Antoine Lavoisier Robert Boyle John Dalton ANSWER DOWNLOAD EXAMIANS APP
Chemistry A matured mammalian cell without nucleus is Lymphocyte Spermatozoan Erythrocyte Oocyte Lymphocyte Spermatozoan Erythrocyte Oocyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Coal fire Burning garbage Steam engine Burning coal Coal fire Burning garbage Steam engine Burning coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is a Semiconductor Insulator Nonconductor Conductor Semiconductor Insulator Nonconductor Conductor ANSWER DOWNLOAD EXAMIANS APP
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