Chemical Process The amount of benzene present in pure benzol is about __________ percent. 70 30 90 50 70 30 90 50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cooking liquor in case of sulphite process is Magnesium sulphate and magnessium bicarbonate None of these Magnesium sulphite and free SO₂ in acid medium Sodium sulphite and sodium bisulphite Magnesium sulphate and magnessium bicarbonate None of these Magnesium sulphite and free SO₂ in acid medium Sodium sulphite and sodium bisulphite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Anion exchanger is regenerated usually with Hydrazine NaOH H₂SO₄ Alum solution Hydrazine NaOH H₂SO₄ Alum solution ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the true statement pertaining to water treatment. Application of activated carbon reduces the temporary hardness of water Normally, the turbidity is removed by adding a coagulent prior to sedimentation Slow sand filters can remove colour completely Activated carbon can be used for taste & odour control without subsequent filtration Application of activated carbon reduces the temporary hardness of water Normally, the turbidity is removed by adding a coagulent prior to sedimentation Slow sand filters can remove colour completely Activated carbon can be used for taste & odour control without subsequent filtration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Terylene is Same as dacron Both A & B Neither A nor B A polyester Same as dacron Both A & B Neither A nor B A polyester ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Roasting of metallurgical ores is done mainly to Remove CO₂ & H₂O Sinter the ore Dehydrate it Remove arsenic & sulphur Remove CO₂ & H₂O Sinter the ore Dehydrate it Remove arsenic & sulphur ANSWER DOWNLOAD EXAMIANS APP