Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 20 and 50 km 5 and 10 km 50 and 100 km 10 and 20 km 20 and 50 km 5 and 10 km 50 and 100 km 10 and 20 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Magnesium Manganese Calcium None of these Magnesium Manganese Calcium None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hamburger effect is otherwise known as– Respiratory product Chloride shift Anaerobic metabolism Sodium pump Respiratory product Chloride shift Anaerobic metabolism Sodium pump ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Salts Elements Polymers Hydrocarbons Salts Elements Polymers Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 3 –3 to + 4 –3 to + 6 –3 to + 5 –3 to + 3 –3 to + 4 –3 to + 6 –3 to + 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, Sulphuric acid is consumed Lead sulphate is consumed SO2 is evolved Lead is formed Sulphuric acid is consumed Lead sulphate is consumed SO2 is evolved Lead is formed ANSWER DOWNLOAD EXAMIANS APP
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