Chemical Process Manufacture of phthalic anhydride uses __________ as a catalyst. Al₂O₃ Cr V₂O₅ Ni Al₂O₃ Cr V₂O₅ Ni ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main use of liquid nitrogen is in Making gun powder Rocket propulsion Detergent manufacture Refrigerative cooling Making gun powder Rocket propulsion Detergent manufacture Refrigerative cooling ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dry ice (solidified CO₂) is used for the Liquefaction of natural gas Liquefaction of permanent gases None of these Storage & shipment of frozen foods and ice-creams Liquefaction of natural gas Liquefaction of permanent gases None of these Storage & shipment of frozen foods and ice-creams ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cellulose percentage in bamboo fibre is about 50 10 85 20 50 10 85 20 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass. Copper Chromium Arsenic Mangnese Copper Chromium Arsenic Mangnese ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo? Digestion Bleaching None of these Depithing Digestion Bleaching None of these Depithing ANSWER DOWNLOAD EXAMIANS APP