Chemical Process Lime and soda ash are added to water to remove Bicarbonates & sulphates of calcium and magnesium Undersirable taste and odour Its corrosiveness Bacteria Bicarbonates & sulphates of calcium and magnesium Undersirable taste and odour Its corrosiveness Bacteria ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Production of alcohol by fermentation of molasses is an __________ process. Both B and C Anaerobic Aerobic Endothermic Both B and C Anaerobic Aerobic Endothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is 0.94 0.14 1.4 0.34 0.94 0.14 1.4 0.34 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main use of hydrazine is As a disinfectant As fire retardant As a rocket fuel In water treatment As a disinfectant As fire retardant As a rocket fuel In water treatment ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C. 5 to 10 75 to 80 -5 to 0 30 to 50 5 to 10 75 to 80 -5 to 0 30 to 50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituent of limestone is MgCO₃ CaCO₃ CaSO₄ Na₂CO₃ MgCO₃ CaCO₃ CaSO₄ Na₂CO₃ ANSWER DOWNLOAD EXAMIANS APP
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