Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double sulphates Nitrates of aluminium Double nitrate Hydrated chlorides Double sulphates Nitrates of aluminium Double nitrate Hydrated chlorides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the highest electronegativity value Lithium Chlorine Nitrogen Fluorine Lithium Chlorine Nitrogen Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry When ice cubes are made, the entropy of water Decreases Increases May either increase or decrease depending on the process used Does not change Decreases Increases May either increase or decrease depending on the process used Does not change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrification is the biological process of converting N2 into nitrate Ammonia into nitrite Ammonia into N2 N2into nitrite N2 into nitrate Ammonia into nitrite Ammonia into N2 N2into nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar made by fermentation from cane sugar contains Citric acid Palmitic acid Lactic acid Acetic acid Citric acid Palmitic acid Lactic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon dioxide Carbon monoxide Sulphur dioxide Smoke Carbon dioxide Carbon monoxide Sulphur dioxide Smoke ANSWER DOWNLOAD EXAMIANS APP
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