Chemistry Most poisonous pollutant in water is Detergent Phosphate Zinc Arsenic Detergent Phosphate Zinc Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron donor It releases H2 in a chemical reaction An electron acceptor In a chemical reaction its oxidation number increases An electron donor It releases H2 in a chemical reaction An electron acceptor In a chemical reaction its oxidation number increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cinnabar is an ore/mineral of Manganese Mercury Molybdenum Lead Manganese Mercury Molybdenum Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbon dioxide Oxides of mineral elements Water Carbonates from soil Carbon dioxide Oxides of mineral elements Water Carbonates from soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Sulphurous smog Photochemical smog Acid fumes Industrial smog Sulphurous smog Photochemical smog Acid fumes Industrial smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Sulphuric acid Phosphoric acid Carbonic acid Boric acid Sulphuric acid Phosphoric acid Carbonic acid Boric acid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS