Chemical Process The catalyst used in the manufacture of DDT is Alumina 20% oleum Aluminium chloride Silica Alumina 20% oleum Aluminium chloride Silica ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of hydrated lime in water treatment All of these After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Before filtration, reduces the bacterial load on filters Is to adjust the pH value All of these After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Before filtration, reduces the bacterial load on filters Is to adjust the pH value ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In industrial nomenclature, alcohol means Ethanol Butyl alcohol Propyl alcohol Methyl alcohol Ethanol Butyl alcohol Propyl alcohol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sodium bisulphite is used for __________ water. Both A & B Deaeration Neither A nor B Dechlorination Both A & B Deaeration Neither A nor B Dechlorination ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cement setting under water employs a/an __________ process. Reduction Oxidation Hydration Decomposition Reduction Oxidation Hydration Decomposition ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an yellow pigment? Lead chromates Ferrous sulphate Titanium dioxide Zinc sulphides Lead chromates Ferrous sulphate Titanium dioxide Zinc sulphides ANSWER DOWNLOAD EXAMIANS APP
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