Chemistry Pollutant from motor car exhaust that causes mental disease is Lead NO2 SO2 Hg Lead NO2 SO2 Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Nitrogen Silicon Sulphur Alcohol Nitrogen Silicon Sulphur Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Aluminium Zinc Copper Iron Aluminium Zinc Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fundamental particles present in the nucleus of an atom are Proton, neutron Neutron, electron Electron, proton Neutron, positron Proton, neutron Neutron, electron Electron, proton Neutron, positron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Remove suspended solids Aerate the sewage Disinfect the sewage Remove water content Remove suspended solids Aerate the sewage Disinfect the sewage Remove water content ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Picric acid Sodium Benzoate Sodium Chloride Glycerine Picric acid Sodium Benzoate Sodium Chloride Glycerine ANSWER DOWNLOAD EXAMIANS APP