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