Chemistry The name of unreactive gas is Oxygen Nitrogen Hydrogen Carbon dioxide Oxygen Nitrogen Hydrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum stops bleeding in minor cuts because of Emulsion Coagulation Dialysis Solvation Emulsion Coagulation Dialysis Solvation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Alum Alumina Gypsum Clay Alum Alumina Gypsum Clay ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Hydrogen Carbon Monoxide Marsh gas Carbon Dioxide Hydrogen Carbon Monoxide Marsh gas Carbon Dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water None of these Manganese Magnesium Calcium None of these Manganese Magnesium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Methane Air Hydrogen Carbon monoxide Methane Air Hydrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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