Chemical Process Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale. Iron Vanadium Nickel Alumina Iron Vanadium Nickel Alumina ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phosphoric acid is prepared from Rock phosphate None of these Chalcopyrite Cryolite Rock phosphate None of these Chalcopyrite Cryolite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following fuel gases contains maximum amount of carbon monoxide? L.D. converter gas Blast furnace gas Water gas Coke oven gas L.D. converter gas Blast furnace gas Water gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The major constituent of black liquor generated during paper manufacture is sodium Sulphate Hydroxide Bi-carbonate Carbonate Sulphate Hydroxide Bi-carbonate Carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cation exchanger is regenerated usually with H₂SO₄ Hydrazine NaOH Alum solution H₂SO₄ Hydrazine NaOH Alum solution ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Gun powder uses Potassium nitrate All of these Charcoal Sulphur Potassium nitrate All of these Charcoal Sulphur ANSWER DOWNLOAD EXAMIANS APP
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