Chemical Process __________ is used as a flux in the smelting of copper ore like chalcopyrite. Dolomite Silica/quartz Coke breeze Lime powder Dolomite Silica/quartz Coke breeze Lime powder ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phthalic anhydride is made by the Oxidation of naphthalene Oxidation of benzene None of these Dehydrogenation of ethyl benzene Oxidation of naphthalene Oxidation of benzene None of these Dehydrogenation of ethyl benzene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc? Sodium borate Caustic soda Sodium silicate Sodium tripolyphosphate (STPP) Sodium borate Caustic soda Sodium silicate Sodium tripolyphosphate (STPP) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an yellow pigment? Zinc sulphides Lead chromates Ferrous sulphate Titanium dioxide Zinc sulphides Lead chromates Ferrous sulphate Titanium dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a constituent of coffee? Caffeine Nicotine Lignin Calgon Caffeine Nicotine Lignin Calgon ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dry ice (solidified CO₂) is used for the None of these Storage & shipment of frozen foods and ice-creams Liquefaction of permanent gases Liquefaction of natural gas None of these Storage & shipment of frozen foods and ice-creams Liquefaction of permanent gases Liquefaction of natural gas ANSWER DOWNLOAD EXAMIANS APP