Chemical Process The function of gypsum addition during cement making is to Both A and B Decrease the cement setting rate Increase the density of cement Neither A nor B Both A and B Decrease the cement setting rate Increase the density of cement Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Boiling of water containing temporary hardness produces CaSO₄ CaHCO₃ None of these CO₂ CaSO₄ CaHCO₃ None of these CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituent of limestone is Na₂CO₃ CaCO₃ MgCO₃ CaSO₄ Na₂CO₃ CaCO₃ MgCO₃ CaSO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Air used in aerobic fermentation must be sterilized, otherwise the None of these Recovery of product will be difficult Uniformity of product cannot be achieved Contamination of pure culture would result None of these Recovery of product will be difficult Uniformity of product cannot be achieved Contamination of pure culture would result ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following paper does not require a filler during manufacture? Writing paper Bond paper Blotting paper Coloured paper Writing paper Bond paper Blotting paper Coloured paper ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ore concentration by froth floatation utilises the __________ of ore particles. Density difference None of these Terminal velocities Wetting characteristics Density difference None of these Terminal velocities Wetting characteristics ANSWER DOWNLOAD EXAMIANS APP