Chemical Process Which of the following processes can remove both temporary as well as permanent hardness of water? Boiling None of these Filtration Distillation Boiling None of these Filtration Distillation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not responsible for causing permanent hardness of water? MgCl₂ None of these CaCl₂ Ca(HCO₃)₂ MgCl₂ None of these CaCl₂ Ca(HCO₃)₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Function of sodium thiosulphate (hypo) in development of photographic film/plate is to Remove metallic silver Brighten the faint images Remove unexposed silver halide Convert silver chloride to silver Remove metallic silver Brighten the faint images Remove unexposed silver halide Convert silver chloride to silver ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Liquor poisoning generally occurs due to the presence of __________ in it. Ethyl alcohol Impurities Methyl alcohol Carbonic acid Ethyl alcohol Impurities Methyl alcohol Carbonic acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Smelting Calcination Reduction Roasting Smelting Calcination Reduction Roasting ANSWER DOWNLOAD EXAMIANS APP