Chemistry Acid rain is caused by the pollution of environment by Carbon dioxide and Nitrogen Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Nitrous oxide and Sulphur dioxide Carbon dioxide and Nitrogen Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Nitrous oxide and Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Carbon dioxide Carbon monoxide Ozone Oxygen Carbon dioxide Carbon monoxide Ozone Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Slag is a name given for Molten sand Molten calcium silicate Molten alumina Molten iron Molten sand Molten calcium silicate Molten alumina Molten iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Oxalic acid Alcohol H2O2 Petrol Oxalic acid Alcohol H2O2 Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Sulphur dioxide Carbon dioxide Smoke Carbon monoxide Sulphur dioxide Carbon dioxide Smoke Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In its reaction with silver nitrate, C2H2 shows Acidic property Reducing property Oxidising property Basic property Acidic property Reducing property Oxidising property Basic property ANSWER DOWNLOAD EXAMIANS APP