Chemical Process BHC (Benzene hexachloride) is made by the chlorination of benzene Which is a substitution reaction In presence of sunlight Which is an addition reaction In absolute dark Which is a substitution reaction In presence of sunlight Which is an addition reaction In absolute dark ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Helium is produced on commercial scale from Coke oven gas None of these Natural gas Air Coke oven gas None of these Natural gas Air ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Alcohol content in freshly prepared natural and fortified wine may be respectively around __________ percent. 10 - 20 and 40 - 50 14 - 30 and 40-50 7-14 and 14-30 7-14 and 40-50 10 - 20 and 40 - 50 14 - 30 and 40-50 7-14 and 14-30 7-14 and 40-50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sodium bisulphite is used for __________ water. Neither A nor B Dechlorination Deaeration Both A & B Neither A nor B Dechlorination Deaeration Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid. Dacron Maleic anhydride Phthalic anhydride Vinyl chloride Dacron Maleic anhydride Phthalic anhydride Vinyl chloride 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 Reduces sulphate ions to sulphides causing obnoxious smell All of these Increases the quantity of chlorine used for its purification Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures Reduces sulphate ions to sulphides causing obnoxious smell All of these Increases the quantity of chlorine used for its purification ANSWER DOWNLOAD EXAMIANS APP
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