Chemical Process Percentage of glycerene present in the spent lye obtained during soap manufacture is about 20 35 5 0.5 20 35 5 0.5 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 During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) It is very corrosive at elevated temperature It decomposes on further increasing the temperature None of these Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) It is very corrosive at elevated temperature It decomposes on further increasing the temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phthalic anhydride is made by the None of these Oxidation of benzene Oxidation of naphthalene Dehydrogenation of ethyl benzene None of these Oxidation of benzene Oxidation of naphthalene Dehydrogenation of ethyl benzene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The combustion reaction, C + O₂ = CO₂, is Exothermic None of these Endothermic Autocatalytic Exothermic None of these Endothermic Autocatalytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is produced using polycondensation reaction. Polythene Phenol formaldehyde None of these Poly vinyl chloride Polythene Phenol formaldehyde None of these Poly vinyl chloride ANSWER DOWNLOAD EXAMIANS APP