Chemistry The monomer of polythene is vinyl chloride None of these ethyl alcohol ethylene vinyl chloride None of these ethyl alcohol ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Earthen vessel Glass vessel Aluminium vessel Copper vessel Earthen vessel Glass vessel Aluminium vessel Copper vessel 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
Chemistry Who is known as the 'father of modern chemistry' Democritus Robert Boyle John Dalton Antoine Lavoisier Democritus Robert Boyle John Dalton Antoine Lavoisier ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Methane Ethylene Styrene Acetylene Methane Ethylene Styrene Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Carbondioxide Oxygen Nitrogen Sulphurdioxide Carbondioxide Oxygen Nitrogen Sulphurdioxide ANSWER DOWNLOAD EXAMIANS APP