Chemistry Which of the following is not a chemical reaction'? Burning of paper Digestion of food Conversion of water into steam Burning of coal Burning of paper Digestion of food Conversion of water into steam Burning of coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Tin Zinc Carbon Lead Tin Zinc Carbon Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Forest fire All of these Automobile exhaust Bacterial action in soil and swamp areas Forest fire All of these Automobile exhaust Bacterial action in soil and swamp areas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat value of combustion of Gasoline is 14600 kJ/kg 47000 kJ/kg 12600 kJ/kg 39400 kJ/kg 14600 kJ/kg 47000 kJ/kg 12600 kJ/kg 39400 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Ag Ge Cu Au Ag Ge Cu Au ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Zinc plating Galvanization Alloy formation Vulcanization Zinc plating Galvanization Alloy formation Vulcanization ANSWER DOWNLOAD EXAMIANS APP