Chemical Process The biochemical treatment applied to sewage effluents is a process of Reduction Polymerisation Oxidation Dehydration Reduction Polymerisation Oxidation Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the true statement pertaining to water treatment. Activated carbon can be used for taste & odour control without subsequent filtration Application of activated carbon reduces the temporary hardness of water Slow sand filters can remove colour completely Normally, the turbidity is removed by adding a coagulent prior to sedimentation Activated carbon can be used for taste & odour control without subsequent filtration Application of activated carbon reduces the temporary hardness of water Slow sand filters can remove colour completely Normally, the turbidity is removed by adding a coagulent prior to sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The function of gypsum addition during cement making is to Both A and B Decrease the cement setting rate Increase the density of cement Neither A nor B Both A and B Decrease the cement setting rate Increase the density of cement Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Removal of dirt/soil by soaps or detergent does not involve the __________ of soil. Precipitation Wetting Dispersion Emulsification Precipitation Wetting Dispersion Emulsification ANSWER DOWNLOAD EXAMIANS APP
Chemical Process An oil is converted into fat by its Hydrogenation Hydrolysis Hydrocracking Hydration Hydrogenation Hydrolysis Hydrocracking Hydration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High temperature carbonisation of coal produces None of these Less of gases compared to liquid products Inferior coke compared to low temperature carbonisation Larger quantity of tar compared to low temperature carbonisation None of these Less of gases compared to liquid products Inferior coke compared to low temperature carbonisation Larger quantity of tar compared to low temperature carbonisation ANSWER DOWNLOAD EXAMIANS APP
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