Chemistry Most poisonous pollutant in water is Detergent Arsenic Phosphate Zinc Detergent Arsenic Phosphate Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as Fertilizer Disinfectant Insecticide Pesticide Fertilizer Disinfectant Insecticide Pesticide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Lithium Cadmium Potassium Sodium Lithium Cadmium Potassium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalytic converters are generally made from : Carbon Transition metals Hydrogen Alkaline metals Carbon Transition metals Hydrogen Alkaline metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Carbonation Oxidation Desilication Hydration Carbonation Oxidation Desilication Hydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because The air around the sea is saltish Rivers wash away salts from earth and pour them into the sea Sea beds have salt producing mines Sea animals are salt producing The air around the sea is saltish Rivers wash away salts from earth and pour them into the sea Sea beds have salt producing mines Sea animals are salt producing ANSWER DOWNLOAD EXAMIANS APP
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