Chemistry Oxygen has (+) oxidation number only in C12O H2O (2) OF2 N2O C12O H2O (2) OF2 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is always kept under Water Benzene Ether Kerosene Water Benzene Ether Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is a crystalline form of Alumina Glass Silica Limestone Alumina Glass Silica Limestone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Type metal Cast-iron Water Aluminium Type metal Cast-iron Water Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as an anti-freeze for the automobile engines ? Propyl alcohol Ethylene glycol Methanol Ethanol Propyl alcohol Ethylene glycol Methanol Ethanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which is mainly responsible for the green house effect is: Oxygen Carbon monoxide Ozone Carbon dioxide Oxygen Carbon monoxide Ozone Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP