Chemistry Ozone consists of Oxygen only Oxygen and Carbon Hydrogen and Carbon Oxygen and Nitrogen Oxygen only Oxygen and Carbon Hydrogen and Carbon Oxygen and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not contain Silver ? Horn Silver German Silver Lunar Caustic Ruby Silver Horn Silver German Silver Lunar Caustic Ruby Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by SO2 Chlorogluorocarbons NO2 NO SO2 Chlorogluorocarbons NO2 NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the manufacture of vanaspati from vegetable oil is nitrogen hydrogen oxygen carbon dioxide nitrogen hydrogen oxygen carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Alum Lime Sodium carbonate Potassium Permangante Alum Lime Sodium carbonate Potassium Permangante ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Calcination Refining Smelting Roasting Calcination Refining Smelting Roasting ANSWER DOWNLOAD EXAMIANS APP