Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Ozone and carbon dioxide Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Ozone and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 85.02 78.03 0.03 0.94 85.02 78.03 0.03 0.94 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Accumulation of smoke and dust over the sigrees Lack of oxygen in the surroundings of sigrees Tendency of carbon dioxide to form a layer along with dust smoke Interrupted release of moisture from the material Accumulation of smoke and dust over the sigrees Lack of oxygen in the surroundings of sigrees Tendency of carbon dioxide to form a layer along with dust smoke Interrupted release of moisture from the material ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Water Carbonates absorbed from soil Oxides of minerals Carbon dioxide Water Carbonates absorbed from soil Oxides of minerals Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Generator Uninterrupted power supply (UPS) Power transmittor Battery Generator Uninterrupted power supply (UPS) Power transmittor Battery ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Petrol and oxygen Batteries Diesel Steam Petrol and oxygen Batteries Diesel Steam ANSWER DOWNLOAD EXAMIANS APP