Chemistry The gas used to extinguish fire is Carbon monoxide Carbon dioxide Neon Nitrogen Carbon monoxide Carbon dioxide Neon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Coal Iron Graphite Diamond Coal Iron Graphite Diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Heavy metals Noble gases Light metals Halogens Heavy metals Noble gases Light metals Halogens ANSWER DOWNLOAD EXAMIANS APP
Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Bauxite Manganese Mica Chromite Bauxite Manganese Mica Chromite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? CH4 Chlorofluorocarbons N2O CO2 CH4 Chlorofluorocarbons N2O CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called ADI LC50 NOAEL LD50 ADI LC50 NOAEL LD50 ANSWER DOWNLOAD EXAMIANS APP
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