Chemistry Ruby and sapphire are oxides of Tin Copper Iron Aluminium Tin Copper Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Calcium carbonate equivalents Magnesium sulphate equivalents Magnesium carbonate equivalents Calcium sulphate equivalents Calcium carbonate equivalents Magnesium sulphate equivalents Magnesium carbonate equivalents Calcium sulphate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of heterocyclic compound is Furan Benzene Naphthalene Anthracene Furan Benzene Naphthalene Anthracene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Ammonia Nitrogen Nitric acid Nitrogen dioxide Ammonia Nitrogen Nitric acid Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Wood burning Acid Plants Paints Domestic sewage Wood burning Acid Plants Paints Domestic sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bayer's reagent is Hydrogen peroxide Bromine water Alkaline potassium permanganate Acidified potassium permanganate Hydrogen peroxide Bromine water Alkaline potassium permanganate Acidified potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
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