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 Normally, the turbidity is removed by adding a coagulent prior to sedimentation Slow sand filters can remove colour completely Activated carbon can be used for taste & odour control without subsequent filtration Application of activated carbon reduces the temporary hardness of water Normally, the turbidity is removed by adding a coagulent prior to sedimentation Slow sand filters can remove colour completely ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Rosin soap is added during paper manufacture to Impart adhesive properties Improve opacity None of these Impart resistance to penetration by liquids Impart adhesive properties Improve opacity None of these Impart resistance to penetration by liquids ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the exothermic reaction out of the following: CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ C + H₂O = CO + H₂ MgCO₃ = MgO + CO₂ All of these CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ C + H₂O = CO + H₂ MgCO₃ = MgO + CO₂ All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fusion of limestone and __________ produces high alumina cement. Sand Quicklime Bauxite Calcite Sand Quicklime Bauxite Calcite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is produced by the dehydrogenation of ethyl benzene. Phenol Ethyl alcohol Cumene Styrene Phenol Ethyl alcohol Cumene Styrene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of water having dissolved oxygen in boilers promotes Scale formation Corrosion Sequestration None of these Scale formation Corrosion Sequestration None of these ANSWER DOWNLOAD EXAMIANS APP
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