Chemistry Which one element has the highest electronegativity value Fluorine Chlorine Lithium Nitrogen Fluorine Chlorine Lithium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcoholic (– OH) group can be identified by : Ozonolysis Reaction Esterification Test FeCl3Test Tollen's Reagent Test Ozonolysis Reaction Esterification Test FeCl3Test Tollen's Reagent Test ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Magnesium Potassium Sodium Iron Magnesium Potassium Sodium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Bacterial action in soil and swamp areas Automobile exhaust Forest fire All of these Bacterial action in soil and swamp areas Automobile exhaust Forest fire All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Wood charcoal Coconut charcoal Sugar charcoal Animal charcoal Wood charcoal Coconut charcoal Sugar charcoal Animal charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Oxygen Carbon Nitrogen Calcium Oxygen Carbon Nitrogen Calcium ANSWER DOWNLOAD EXAMIANS APP
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