Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol react chemically The flame is too hot for water to cool it down Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol are miscible with each other Water and petrol react chemically The flame is too hot for water to cool it down Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol are miscible with each other ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the purest form of carbon Coal Iron Diamond Graphite Coal Iron Diamond Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Ionosphere Mesosphere Stratosphere Troposphere Ionosphere Mesosphere Stratosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of an oxidation reaction an elimination reaction an addition reaction a condensation reaction an oxidation reaction an elimination reaction an addition reaction a condensation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Methane Ozone gas Carbon dioxide Carbon Monoxide Methane Ozone gas Carbon dioxide Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cooking gas is a mixture of Carbon dioxide and oxygen Carbon monoxide and carbon dioxide Methane and ethylene Butane and propane Carbon dioxide and oxygen Carbon monoxide and carbon dioxide Methane and ethylene Butane and propane ANSWER DOWNLOAD EXAMIANS APP