Chemistry Which of the following is a man-made source of air pollution ? Forest fire Automobile exhaust All of these Bacterial action in soil and swamp areas Forest fire Automobile exhaust All of these Bacterial action in soil and swamp areas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Potassium iodate Iodine Sodium iodide Potassium iodide Potassium iodate Iodine Sodium iodide Potassium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Acceleration Sulphonation Vulcanization Galvanization Acceleration Sulphonation Vulcanization Galvanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode in a dry cell consists of Copper Cadmium Graphite Zinc Copper Cadmium Graphite Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 4 3 6 7 4 3 6 7 ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Ammonia Arsine Nitrous oxide Sulphur dioxide Ammonia Arsine Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP