Chemistry Which of the following is a secondary pollutant ? NO PAN CO SO2 NO PAN CO SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Argon Oxygen Krypton Nitrogen Argon Oxygen Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium bicarbonate is commercially known as Caustic soda Baking soda Soda lime Washing soda Caustic soda Baking soda Soda lime Washing soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, Lead sulphate is consumed SO2 is evolved Lead is formed Sulphuric acid is consumed Lead sulphate is consumed SO2 is evolved Lead is formed Sulphuric acid is consumed ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Acid fumes Photochemical smog Sulphurous smog Industrial smog Acid fumes Photochemical smog Sulphurous smog Industrial smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Desilication Carbonation Oxidation Hydration Desilication Carbonation Oxidation Hydration ANSWER DOWNLOAD EXAMIANS APP
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