Chemistry The gas causing acid rain in an industrial area is Methane Sulphur dioxide Carbon dioxide Carbon monoxide Methane Sulphur dioxide Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Nitrogen Hydrogen Sodium Neon Nitrogen Hydrogen Sodium Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? N2O Chlorofluorocarbons CH4 CO2 N2O Chlorofluorocarbons CH4 CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Roasting Calcination Smelting Refining Roasting Calcination Smelting Refining ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saccharin is made up of Propane Toluene Phenol Butane Propane Toluene Phenol Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The deterioration of a metal by an electrochemical process is commonly termed as Abrasion Corrosion Passivation Erosion Abrasion Corrosion Passivation Erosion ANSWER DOWNLOAD EXAMIANS APP