Chemistry Where does the oxygen that keeps us alive come from? Carbon dioxide Water Oxides of minerals Carbonates absorbed from soil Carbon dioxide Water Oxides of minerals Carbonates absorbed from soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Acidity Eutrophication Alkalinity Hardness Acidity Eutrophication Alkalinity Hardness ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Cadmium Sodium Lithium Potassium Cadmium Sodium Lithium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode in a dry cell consists of Cadmium Zinc Copper Graphite Cadmium Zinc Copper Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Electrolysis Oxidation Zone refining Roasting Electrolysis Oxidation Zone refining Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemistry A fertile soil is likely to have a pH of 14 43989 9 3 14 43989 9 3 ANSWER DOWNLOAD EXAMIANS APP
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