Chemistry Why is water not suitable for putting out a petrol fire ? The heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns The heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is prepared by polymerisation of which of the following Acrylonitrile 1,3-butadiene 2-chloro-1, 3-butadiene 2-methyl 1, 3-butadiene Acrylonitrile 1,3-butadiene 2-chloro-1, 3-butadiene 2-methyl 1, 3-butadiene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Oxygen only Oxygen and Nitrogen Oxygen and Carbon Hydrogen and Carbon Oxygen only Oxygen and Nitrogen Oxygen and Carbon Hydrogen and Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following acids is used in battery ? Hydrochloric acid Hydrofluoric acid Sulphuric acid Sulphurous acid Hydrochloric acid Hydrofluoric acid Sulphuric acid Sulphurous acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Sulphur dioxide Methane Carbon dioxide Carbon monoxide Sulphur dioxide Methane Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Air Hydrogen Carbon monoxide Methane Air Hydrogen Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
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