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