Chemical Process Removal of dirt/soil by soaps or detergent does not involve the __________ of soil. Dispersion Emulsification Wetting Precipitation Dispersion Emulsification Wetting Precipitation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bio-degradable detergents Can be readily oxidised Pose problem in sewerage plant Should not be used as it spoils the cloth Have an isoparaffinic structure Can be readily oxidised Pose problem in sewerage plant Should not be used as it spoils the cloth Have an isoparaffinic structure ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The combustion reaction, C + O₂ = CO₂, is Autocatalytic Exothermic Endothermic None of these Autocatalytic Exothermic Endothermic None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a constituent of coffee? Lignin Caffeine Calgon Nicotine Lignin Caffeine Calgon Nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Polymethyl methacrylate (PMMA) is known as Bakelite Nylon-6 Teflon Perspex Bakelite Nylon-6 Teflon Perspex ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The function of gypsum addition during cement making is to Both A and B Neither A nor B Decrease the cement setting rate Increase the density of cement Both A and B Neither A nor B Decrease the cement setting rate Increase the density of cement ANSWER DOWNLOAD EXAMIANS APP
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