Chemical Process Which of the following is not required in the manufacture of soda ash by Solvay process? None of these Limestone Nitric acid Ammonia None of these Limestone Nitric acid Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bleaching of paper pulp is done with Activated clay Bromine Chlorine or chlorine dioxide Magnesium sulphite Activated clay Bromine Chlorine or chlorine dioxide Magnesium sulphite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the exothermic reaction out of the following: All of these C + H₂O = CO + H₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ MgCO₃ = MgO + CO₂ All of these C + H₂O = CO + H₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ MgCO₃ = MgO + CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dechlorination of treated water is necessary to Control taste and odour Reduce the bacterial load on filter Remove chlorinous taste Remove residual turbidity Control taste and odour Reduce the bacterial load on filter Remove chlorinous taste Remove residual turbidity ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following processes can remove both temporary as well as permanent hardness of water? Filtration None of these Distillation Boiling Filtration None of these Distillation Boiling ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C. -103 -196 -183 -53 -103 -196 -183 -53 ANSWER DOWNLOAD EXAMIANS APP