Chemistry Pollutant from motor car exhaust that causes mental disease is SO2 Lead NO2 Hg SO2 Lead NO2 Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid used in lead storage cells is Nitric acid Hydrochloric acid Sulphuric acid Phosphoric acid Nitric acid Hydrochloric acid Sulphuric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Oxidation Decomposition Reduction Dehydration Oxidation Decomposition Reduction Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Calcium Aluminium Sodium Silver Calcium Aluminium Sodium Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is very reactive and kept in kerosene? Bromine Potassium Iodine Sodium Bromine Potassium Iodine Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Kerosene Coal Diesel Hydrogen Kerosene Coal Diesel Hydrogen ANSWER DOWNLOAD EXAMIANS APP