Chemical Process Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is 0.34 1.4 0.94 0.14 0.34 1.4 0.94 0.14 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the true statement pertaining to water treatment. 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 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 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% Aeration of water is effective in CO₂ removal Water with pH value less than 7, is acidic Sodium sulphate or sodium carbonate do not cause hardness in water The zeolite water softening process reduces the hardness of water by not more than 50% Aeration of water is effective in CO₂ removal Water with pH value less than 7, is acidic Sodium sulphate or sodium carbonate do not cause hardness in water ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phenol formaldehyde Employs addition polymerisation Employs condensation polymerisation Is an abrasive material Is a monomer Employs addition polymerisation Employs condensation polymerisation Is an abrasive material Is a monomer ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phenol is mainly used To produce polyester resin To produce phenol formaldehyde As a plasticiser for unsaturated polyster To produce benzene To produce polyester resin To produce phenol formaldehyde As a plasticiser for unsaturated polyster To produce benzene ANSWER DOWNLOAD EXAMIANS APP
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