Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to N2O NO2 SO3 SO2 N2O NO2 SO3 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Photochemical reaction Exothermic reaction Physical change Endothermic reaction Photochemical reaction Exothermic reaction Physical change Endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Carbon monoxide Hydrogen Air Methane Carbon monoxide Hydrogen Air Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat energy produced when the human body metabolises 1 gram of fat is 29 KJ 39 KJ 30 KJ 1 KJ 29 KJ 39 KJ 30 KJ 1 KJ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Iron Graphite Diamond Coal Iron Graphite Diamond Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Acetylene Ethylene Styrene Methane Acetylene Ethylene Styrene Methane ANSWER DOWNLOAD EXAMIANS APP
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