Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful CO2 in the air SO2 in the air Solar ultraviolet radiation Solar infrared radiation CO2 in the air SO2 in the air Solar ultraviolet radiation Solar infrared radiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is distillation adding sodium carbonate adding caustic soda boiling distillation adding sodium carbonate adding caustic soda boiling ANSWER DOWNLOAD EXAMIANS APP
Chemistry Asbestos is formed of : Calcium and Magnesium Calcium and Zinc Copper, Zinc and Manganese Lead and Iron Calcium and Magnesium Calcium and Zinc Copper, Zinc and Manganese Lead and Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has a maximum tendency to form M3 ion ? As Bi P N As Bi P N ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Sulphuric acid Phosphoric acid Boric acid Carbonic acid Sulphuric acid Phosphoric acid Boric acid Carbonic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Chemically very active Miscible with water Not stable Chemically unreactive Chemically very active Miscible with water Not stable Chemically unreactive ANSWER DOWNLOAD EXAMIANS APP
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