Chemistry Which one is the purest form of carbon Coal Diamond Iron Graphite Coal Diamond Iron Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Methane Hydrogen Air Carbon monoxide Methane Hydrogen Air Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Alcohol Silicon Nitrogen Sulphur Alcohol Silicon Nitrogen Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Butane Methane Ethanol Hydrogen Butane Methane Ethanol Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Gold Aluminium Iron Silver Gold Aluminium Iron Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most reactive among the halogens is Bromine Iodine Chlorine Fluorine Bromine Iodine Chlorine Fluorine ANSWER DOWNLOAD EXAMIANS APP