Chemical Process Presence of H₂S in raw water (to be chlorinated) results in the Increased dosage of chlorine to provide a disinfecting residual in the water Reduced softening capacity of zeolite None of these Easy removal of its hardness Increased dosage of chlorine to provide a disinfecting residual in the water Reduced softening capacity of zeolite None of these Easy removal of its hardness ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process? NH? Coke CaO NaCl NH? Coke CaO NaCl ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Conversion of CO to CO₂ by steam in presence of a catalyst is called Steam gasification Shift conversion None of these Steam reforming Steam gasification Shift conversion None of these Steam reforming ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Deaeration of water in its treatment is necessary, as it None of these Helps in controlling its taste and odour Minimises its corrosiveness Minimises its turbidity None of these Helps in controlling its taste and odour Minimises its corrosiveness Minimises its turbidity ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fusion of limestone and __________ produces high alumina cement. Sand Calcite Quicklime Bauxite Sand Calcite Quicklime Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a constituent of vinegar? Around 1% acetic acid Both A and B Neither A nor B Around 10% alcohol Around 1% acetic acid Both A and B Neither A nor B Around 10% alcohol ANSWER DOWNLOAD EXAMIANS APP