Chemistry The term 'brown air' is used for Sulphurous smog Acid fumes Industrial smog Photochemical smog Sulphurous smog Acid fumes Industrial smog Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Ammonia Sulphur dioxide Hydrogen Carbon dioxide Ammonia Sulphur dioxide Hydrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is made of Copper and zinc Tin and lead Copper, tin and zinc Copper and tin Copper and zinc Tin and lead Copper, tin and zinc Copper and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 1 0.01 0.21 0.78 1 0.01 0.21 0.78 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following acids is used in battery ? Hydrofluoric acid Sulphuric acid Sulphurous acid Hydrochloric acid Hydrofluoric acid Sulphuric acid Sulphurous acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
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