Chemical Process Presence of carbonaceous matter in the sewage Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures All of these Increases the quantity of chlorine used for its purification Reduces sulphate ions to sulphides causing obnoxious smell Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures All of these Increases the quantity of chlorine used for its purification Reduces sulphate ions to sulphides causing obnoxious smell ANSWER DOWNLOAD EXAMIANS APP
Chemical Process A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.). 25 1 10 40 25 1 10 40 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ca(OH)₂ is called Quicklime Slaked lime Limestone Gypsum Quicklime Slaked lime Limestone Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nitric acid is not used in the manufacture of Detergents Explosives Aqua regia Fertilisers Detergents Explosives Aqua regia Fertilisers ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrogenation of oil does not Raise its melting point Remove double bonds None of these Improve its resistance to oxidation Raise its melting point Remove double bonds None of these Improve its resistance to oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phthalic anhydride is produced by the oxidation of Toluene Naphthalene Benzene Aniline Toluene Naphthalene Benzene Aniline ANSWER DOWNLOAD EXAMIANS APP