Chemical Process Use of chlorine in the treatment of sewage Causes bulking of activated sludge Increases the biological oxygen demand(BOD) Aids in flocculation Helps in grease separation Causes bulking of activated sludge Increases the biological oxygen demand(BOD) Aids in flocculation Helps in grease separation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Le-Blanc process is a primitive process for the manufacture of Bromine from sea water Soda ash Caustic soda Hydrochloric acid Bromine from sea water Soda ash Caustic soda Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Roasting of metallurgical ores is done mainly to Sinter the ore Remove arsenic & sulphur Remove CO₂ & H₂O Dehydrate it Sinter the ore Remove arsenic & sulphur Remove CO₂ & H₂O Dehydrate it ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the false statement pertaining to water treatment. The zeolite water softening process reduces the hardness of water by not more than 50% Water with pH value less than 7, is acidic Aeration of water is effective in CO₂ removal Sodium sulphate or sodium carbonate do not cause hardness in water The zeolite water softening process reduces the hardness of water by not more than 50% Water with pH value less than 7, is acidic Aeration of water is effective in CO₂ removal Sodium sulphate or sodium carbonate do not cause hardness in water ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Contact process of sulphuric acid manufacture Yields acid of higher concentration than chamber process Eliminates absorber Yields acids of lower concentration than chamber process Is obsolete Yields acid of higher concentration than chamber process Eliminates absorber Yields acids of lower concentration than chamber process Is obsolete ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not a product of coal tar distillation? Carbolic oil Cresote oil None of these Anthracene Carbolic oil Cresote oil None of these Anthracene ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS