Chemistry The important ore of aluminium is Fluorspar Cryolite Haematite Bauxite Fluorspar Cryolite Haematite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Aviation fuels Chlorofluorocarbons Volcanic eruptions Radioactive rays Aviation fuels Chlorofluorocarbons Volcanic eruptions Radioactive rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of CO SO2 Unburnt petrol CO2 CO SO2 Unburnt petrol CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Nitrogen Chlorine Oxygen Hydrogen Nitrogen Chlorine Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the artificial ripening of fruits is Ethane Methane Butane Acetylene Ethane Methane Butane Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas used by the police to disperse the mob contains Chlorine Carbon dioxide Hydrogen sulphide Ammonia Chlorine Carbon dioxide Hydrogen sulphide Ammonia ANSWER DOWNLOAD EXAMIANS APP