Chemistry Pollutant from motor car exhaust that causes mental disease is Lead NO2 Hg SO2 Lead NO2 Hg SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Nitrogen Hydrogen Sodium Neon Nitrogen Hydrogen Sodium Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed Hydrogen Bomb? Wernher Von Braun J. Robert Oppen Heimer Edward Teller Samuel Cohen Wernher Von Braun J. Robert Oppen Heimer Edward Teller Samuel Cohen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is adding caustic soda adding sodium carbonate boiling distillation adding caustic soda adding sodium carbonate boiling distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid present in red ants is Formic acid Caproic acid Butyric acid Acetic acid Formic acid Caproic acid Butyric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The components of water can be separated by Both A and B Chemical methods They can not be separated Physical methods Both A and B Chemical methods They can not be separated Physical methods ANSWER DOWNLOAD EXAMIANS APP