Chemical Process High purity nitrogen is used in Fire fighting purposes Both A & B Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Neither A nor B Fire fighting purposes Both A & B Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an ore of iron? Hematite Galena Chalcopyrite Bauxite Hematite Galena Chalcopyrite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In industrial nomenclature, alcohol means Ethanol Butyl alcohol Methyl alcohol Propyl alcohol Ethanol Butyl alcohol Methyl alcohol Propyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Wet chlorine gas produced during electrolysis of brine is dehydrated by Passing it through a bed of diatomaceous earth Spraying 66° Be H₂SO₄ counter current to the flow of the gas None of these Passing it through a bed of silica gel Passing it through a bed of diatomaceous earth Spraying 66° Be H₂SO₄ counter current to the flow of the gas None of these Passing it through a bed of silica gel ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used As a rust preventive In hard water for cleaning of cloth As a foam depressant in distillation column As a lubricant As a rust preventive In hard water for cleaning of cloth As a foam depressant in distillation column As a lubricant ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Litharge is Lead oxide Cellulosic photographic material Zinc oxide Zinc sulphide Lead oxide Cellulosic photographic material Zinc oxide Zinc sulphide ANSWER DOWNLOAD EXAMIANS APP
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