Chemical Process Commercially ethylene is produced from naphtha by Pyrolysis Hydrocracking Catalytic dehydrogenation Catalytic cracking Pyrolysis Hydrocracking Catalytic dehydrogenation Catalytic cracking ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Neoprene is a Synthetic rubber Polyester Monomer None of these Synthetic rubber Polyester Monomer None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C. 30 to 50 75 to 80 -5 to 0 5 to 10 30 to 50 75 to 80 -5 to 0 5 to 10 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 None of these Depithing Bleaching Digestion None of these Depithing Bleaching ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The end bleaching agent used to move last traces of colour bodies from the pulp is SO₂ gas MgO Chlorine dioxide (ClO₂) Mercaptans SO₂ gas MgO Chlorine dioxide (ClO₂) Mercaptans ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Gypsum is chemically Sodium sulphate Potassium sulphate Calcium sulphate Calcium chloride Sodium sulphate Potassium sulphate Calcium sulphate Calcium chloride ANSWER DOWNLOAD EXAMIANS APP