Chemistry Why is water not suitable for putting out a petrol fire ? The heat required for combustion of petrol is very low Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning Petrol is too inflammable to be extinguished by water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is a polymer of Chloroprene Isobutane Isopentane Isoprene Chloroprene Isobutane Isopentane Isoprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of nucleons the number of protons and electrons the number of protons the number of neutrons the number of nucleons the number of protons and electrons the number of protons the number of neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Carbon dioxide Nitrous oxide Chlorofluorocarbons Methane Carbon dioxide Nitrous oxide Chlorofluorocarbons Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Sulphur dioxide Carbon monoxide Methane Carbon dioxide Sulphur dioxide Carbon monoxide Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Peroxyacetyl nitrate Nitric oxide Sulphur dioxide Carbon dioxide Peroxyacetyl nitrate Nitric oxide Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP