Chemistry In drinking water supply, which of the following treatments is not involved Disinfection Sedimentation Coagulation Softening Disinfection Sedimentation Coagulation Softening ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Respiratory diseases (e.g.asthma) Cancer Silicosis Reduced crop yield Respiratory diseases (e.g.asthma) Cancer Silicosis Reduced crop yield ANSWER DOWNLOAD EXAMIANS APP
Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Argon Nitrogen Helium Hydrogen Argon Nitrogen Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cooking gas is a mixture of Butane and propane Methane and ethylene Carbon dioxide and oxygen Carbon monoxide and carbon dioxide Butane and propane Methane and ethylene Carbon dioxide and oxygen Carbon monoxide and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a sublime substance? Potassium Iodide Table salt Sugar Iodine Potassium Iodide Table salt Sugar Iodine ANSWER DOWNLOAD EXAMIANS APP
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