Chemical Process Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale. Nickel Iron Alumina Vanadium Nickel Iron Alumina Vanadium ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Impurities present in brine is normally removed by treatment with All of these Lime and soda ash Lime, ammonia and carbon NH₃ and CO₂ All of these Lime and soda ash Lime, ammonia and carbon NH₃ and CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Esterification reaction produces Vanaspati Detergent Soap Mercaptans Vanaspati Detergent Soap Mercaptans ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phosphoric acid is prepared from None of these Rock phosphate Chalcopyrite Cryolite None of these Rock phosphate Chalcopyrite Cryolite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical name of soda ash is Sodium bicarbonate Sodium thiosulphate Potassium carbonate None of these Sodium bicarbonate Sodium thiosulphate Potassium carbonate None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following impurities in feed water for high pressure boiler is the most detrimental? Silica Dissolved oxygen Dissolved salt Suspended salt Silica Dissolved oxygen Dissolved salt Suspended salt ANSWER DOWNLOAD EXAMIANS APP
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