Chemical Process Alum [Al2(SO₄)₃] is used as a coagulant in water treatment to remove Colour Turbidity All of these Bacteria Colour Turbidity All of these Bacteria ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used In hard water for cleaning of cloth As a lubricant As a rust preventive As a foam depressant in distillation column In hard water for cleaning of cloth As a lubricant As a rust preventive As a foam depressant in distillation column ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Function of sodium thiosulphate (hypo) in development of photographic film/plate is to Brighten the faint images Convert silver chloride to silver Remove metallic silver Remove unexposed silver halide Brighten the faint images Convert silver chloride to silver Remove metallic silver Remove unexposed silver halide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fluorescent dyes are added in detergents to Act as tarnish inhibitor for metals like German silver Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics Attain distinctiveness from other brands None of these Act as tarnish inhibitor for metals like German silver Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics Attain distinctiveness from other brands None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Absorption of SO₃ in 97% H₂SO₄ is Exothermic None of these Endothermic Not possible Exothermic None of these Endothermic Not possible ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main product in calcium carbide-water reaction is CO₂ C₂H₂ CaCO₃ Ca(OH)₂ CO₂ C₂H₂ CaCO₃ Ca(OH)₂ ANSWER DOWNLOAD EXAMIANS APP
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