Chemical Process Pick out the exothermic reaction out of the following: C + H₂O = CO + H₂ All of these CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ MgCO₃ = MgO + CO₂ C + H₂O = CO + H₂ All of these CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ MgCO₃ = MgO + CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oils and fats are converted to soap in a process called Saponification Esterification Hydrogenation None of these Saponification Esterification Hydrogenation None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a binding material in soap to improve soap texture? Sodium carbonate Rosin Borax Benzyl acetate Sodium carbonate Rosin Borax Benzyl acetate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphuric acid completely saturated with sulphur trioxide is called Oleum Dilute sulphuric acid Sulphurous acid Concentrated sulphuric acid Oleum Dilute sulphuric acid Sulphurous acid Concentrated sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of carbonaceous matter in the sewage Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures Increases the quantity of chlorine used for its purification Reduces sulphate ions to sulphides causing obnoxious smell All of these Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures Increases the quantity of chlorine used for its purification Reduces sulphate ions to sulphides causing obnoxious smell All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The catalyst used in the manufacture of DDT is Alumina Aluminium chloride Silica 20% oleum Alumina Aluminium chloride Silica 20% oleum ANSWER DOWNLOAD EXAMIANS APP