Chemistry The hottest part of the gas flame is known as blue zone luminous zone dark zone non-luminous zone blue zone luminous zone dark zone non-luminous zone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Oxides of nitrogen Oxides of sulphur Hydrocarbon Smoke Oxides of nitrogen Oxides of sulphur Hydrocarbon Smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Sodium Sulphate Sodium Silicate Calcium Sulphate Calcium Silicate Sodium Sulphate Sodium Silicate Calcium Sulphate Calcium Silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Acetylene Ethylene Styrene Methane Acetylene Ethylene Styrene Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanized rubber contains sulphur 7-9% 3-5% 0.02 10-15% 7-9% 3-5% 0.02 10-15% ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitric acid Ammonia Nitrogen dioxide Nitrogen Nitric acid Ammonia Nitrogen dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP