Chemistry Permanent – hardness of water may be removed by addition of Potassium Permangante Sodium carbonate Alum Lime Potassium Permangante Sodium carbonate Alum Lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid used in lead storage cells is Sulphuric acid Nitric acid Hydrochloric acid Phosphoric acid Sulphuric acid Nitric acid Hydrochloric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peroxyacetyl nitrate is a Acidic dye Plant hormone Vitamin Secondary pollutant Acidic dye Plant hormone Vitamin Secondary pollutant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Chemically unreactive Miscible with water Not stable Chemically very active Chemically unreactive Miscible with water Not stable Chemically very active ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Half a million One million Ten million Two million Half a million One million Ten million Two million ANSWER DOWNLOAD EXAMIANS APP
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