Chemistry Galvanised iron is made by coating iron with Sulphur Chromium Zinc Nickel Sulphur Chromium Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogen sulphide Aluminium phosphide Hydrogenated wafers Aluminium sulphide Hydrogen sulphide Aluminium phosphide Hydrogenated wafers Aluminium sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Percolating filter Contact bed Trickling filter Intermittent sand filter Percolating filter Contact bed Trickling filter Intermittent sand filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Steam distillation Sublimation Fractional distillation Fractional crystallisation Steam distillation Sublimation Fractional distillation Fractional crystallisation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Acetic acid Sodium salt of benzoic acid Tartaric acid Sodium carbonate Acetic acid Sodium salt of benzoic acid Tartaric acid Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Not stable Chemically very active Miscible with water Chemically unreactive Not stable Chemically very active Miscible with water Chemically unreactive ANSWER DOWNLOAD EXAMIANS APP
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