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 0.34 1.4 0.94 0.14 0.34 1.4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the true statement pertaining to water treatment. Application of activated carbon reduces the temporary hardness of water Slow sand filters can remove colour completely Activated carbon can be used for taste & odour control without subsequent filtration Normally, the turbidity is removed by adding a coagulent prior to sedimentation Application of activated carbon reduces the temporary hardness of water Slow sand filters can remove colour completely Activated carbon can be used for taste & odour control without subsequent filtration Normally, the turbidity is removed by adding a coagulent prior to sedimentation 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% Sodium sulphate or sodium carbonate do not cause hardness in water Water with pH value less than 7, is acidic Aeration of water is effective in CO₂ removal The zeolite water softening process reduces the hardness of water by not more than 50% Sodium sulphate or sodium carbonate do not cause hardness in water Water with pH value less than 7, is acidic Aeration of water is effective in CO₂ removal ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phenol formaldehyde Is a monomer Is an abrasive material Employs addition polymerisation Employs condensation polymerisation Is a monomer Is an abrasive material Employs addition polymerisation Employs condensation polymerisation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phenol is mainly used To produce benzene To produce polyester resin As a plasticiser for unsaturated polyster To produce phenol formaldehyde To produce benzene To produce polyester resin As a plasticiser for unsaturated polyster To produce phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
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