Chemistry If water smells bad, then that odour can be removed by adding Activated carbon Bleach Deactivated nitrogen Alum Activated carbon Bleach Deactivated nitrogen Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the highest quality of hard coal? Peat Anthracite Lignite Bituminous Peat Anthracite Lignite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Carbon dioxide Sulphur dioxide Peroxyacetyl nitrate Nitric oxide Carbon dioxide Sulphur dioxide Peroxyacetyl nitrate Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Lime soda process or manganese zeolite process Oxidation followed by settling and filtration Ion exchange process Chlorination Lime soda process or manganese zeolite process Oxidation followed by settling and filtration Ion exchange process Chlorination ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry powder fire extinguishers contain Sand and sodium bicarbonate Sand and potassium carbonate Sand Sand and sodium carbonate Sand and sodium bicarbonate Sand and potassium carbonate Sand Sand and sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
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