Chemical Process __________ is the major constituent of the Portland cement. Calcium carbonate Calcium sulphate Calcium oxide Tricalcium silicate Calcium carbonate Calcium sulphate Calcium oxide Tricalcium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carborundum consists mainly of Bauxite Boron carbide Calcium carbide Silicon carbide Bauxite Boron carbide Calcium carbide Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Manufacture of phthalic anhydride uses __________ as a catalyst. Cr V₂O₅ Al₂O₃ Ni Cr V₂O₅ Al₂O₃ Ni ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale. Nickel Vanadium Alumina Iron Nickel Vanadium Alumina Iron ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to solvent extraction of oil.Rate of extraction Decreases as the moisture content of flakes increases Increases Considerably with the rise of temperature Decreases with decrease of thickness of the flakes Increases with the increasing flake size keeping the flake thickness constant Decreases as the moisture content of flakes increases Increases Considerably with the rise of temperature Decreases with decrease of thickness of the flakes Increases with the increasing flake size keeping the flake thickness constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Coal tar is used as a Binder in making carbon electrodes All of these Binding material for coal briquettes Fuel in rotary kiln Binder in making carbon electrodes All of these Binding material for coal briquettes Fuel in rotary kiln ANSWER DOWNLOAD EXAMIANS APP