Chemistry The first metal used by man was copper gold iron bronze copper gold iron bronze ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization is the : Deposition of aluminium on iron Deposition of copper on iron Deposition of tin on iron Deposition of zinc on iron Deposition of aluminium on iron Deposition of copper on iron Deposition of tin on iron Deposition of zinc on iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Distillation Fractional distillation Filtration Evaporation Distillation Fractional distillation Filtration Evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Hypo Hydroquinone Sodium sulphate Silver bromide Hypo Hydroquinone Sodium sulphate Silver bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in pure form? Copper Bauxite Manganese Iron Copper Bauxite Manganese Iron ANSWER DOWNLOAD EXAMIANS APP
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