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