Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Ion exchange process Lime soda process or manganese zeolite process Oxidation followed by settling and filtration Chlorination Ion exchange process Lime soda process or manganese zeolite process Oxidation followed by settling and filtration Chlorination ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Half a million Ten million One million Two million Half a million Ten million One million Two million ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Nitric oxide gas Carbon dioxide gas Nitrogen dioxide gas Sulphur dioxide gas Nitric oxide gas Carbon dioxide gas Nitrogen dioxide gas Sulphur dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name of sodium bicarbonate is Baking soda Soda ash Soda lime Baking powder Baking soda Soda ash Soda lime Baking powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? Paper Aluminium D.T. Plastic Paper Aluminium D.T. Plastic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas involved in Bhopal incident was Methyl isocyanide Hydrogen sulphide Nitrogen dioxide Methyl chloride Methyl isocyanide Hydrogen sulphide Nitrogen dioxide Methyl chloride ANSWER DOWNLOAD EXAMIANS APP
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