Chemistry Heavy metal pollution of water is caused by: Acid Plants Domestic sewage Wood burning Paints Acid Plants Domestic sewage Wood burning Paints ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic MgO Na2O Al22O3 CaO MgO Na2O Al22O3 CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Decomposition Oxidation Reduction Dehydration Decomposition Oxidation Reduction Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CO SO2 CFC CO2 CO SO2 CFC CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The enzyme that converts glucose to ethyl alcohol is : Diastase Invertase Zymase Maltase Diastase Invertase Zymase Maltase ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Oxides of minerals Carbonates absorbed from soil Water Carbon dioxide Oxides of minerals Carbonates absorbed from soil Water Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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