Chemical Process Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene? Al2O₃ AgO FE₂O₃ ZnCl₂ Al2O₃ AgO FE₂O₃ ZnCl₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High purity nitrogen is used in Fire fighting purposes Neither A nor B Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Both A & B Fire fighting purposes Neither A nor B Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to Remove lignin by way of crystallisation None of these Avoid mechanical weakening of fibre Increase the cellulose content Remove lignin by way of crystallisation None of these Avoid mechanical weakening of fibre Increase the cellulose content ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ultimate analysis of coal determines its __________ content. Carbon, sulphur, volatile matter & ash Carbon, ash, sulphur & nitrogen Carbon, volatile matter, ash & moisture Carbon, hydrogen, nitrogen & sulphur Carbon, sulphur, volatile matter & ash Carbon, ash, sulphur & nitrogen Carbon, volatile matter, ash & moisture Carbon, hydrogen, nitrogen & sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sodium chloride content in sea water is about __________ gms/litre. 25 10 2 50 25 10 2 50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphuric acid is mainly used in the __________ industry. Steel Paint Fertiliser Paper Steel Paint Fertiliser Paper ANSWER DOWNLOAD EXAMIANS APP
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