Chemistry Gypsum is used for improvement of: Acidic soils Saline soils Podsols Alkaline soils Acidic soils Saline soils Podsols Alkaline soils ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom Four Three Two One Four Three Two One ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Copper Silver Zinc Aluminium Copper Silver Zinc Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Lowering of pH of soil Industrial smog formation Depletion of fossil fuel reserves Eutrophication in lakes Lowering of pH of soil Industrial smog formation Depletion of fossil fuel reserves Eutrophication in lakes ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Methyl alcohol Acetylene Ethyl formate Methane Methyl alcohol Acetylene Ethyl formate Methane ANSWER DOWNLOAD EXAMIANS APP
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