Chemical Process Main constituents of natural rubber is Polychloroprene Polyisoprene Polybutadiene Polystyrene Polychloroprene Polyisoprene Polybutadiene Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Rosin soap is added during paper manufacture to Impart adhesive properties None of these Impart resistance to penetration by liquids Improve opacity Impart adhesive properties None of these Impart resistance to penetration by liquids Improve opacity ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Common salt is generally not produced commonly by __________ method from brine. Vacuum evaporation Solar evaporation Freeze drying Electrolytic Vacuum evaporation Solar evaporation Freeze drying Electrolytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carboxymethyl cellulose (CMC) is added in detergents to act as a/an Builder Anti soil redeposition agent Surfactant Optical brightening agent Builder Anti soil redeposition agent Surfactant Optical brightening agent ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the false statement pertaining to water treatment. Aeration of water is effective in CO₂ removal Water with pH value less than 7, is acidic 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 Aeration of water is effective in CO₂ removal Water with pH value less than 7, is acidic 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Styrene (a monomer for the production of polystyrene) is commercially produced by Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Fermentation of starch Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Fermentation of starch ANSWER DOWNLOAD EXAMIANS APP
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