Chemical Process Phthalic anhydride is made by the Dehydrogenation of ethyl benzene None of these Oxidation of naphthalene Oxidation of benzene Dehydrogenation of ethyl benzene None of these Oxidation of naphthalene Oxidation of benzene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an ore of iron? Chalcopyrite Galena Bauxite Hematite Chalcopyrite Galena Bauxite Hematite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Coagulant is used __________ filtration. Before After During To avoid Before After During To avoid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fusion of bauxite and __________ produces high alumina cement. Quartz Alum Limestone Coke Quartz Alum Limestone Coke ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the exothermic reaction out of the following: MgCO₃ = MgO + CO₂ C + H₂O = CO + H₂ All of these CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ MgCO₃ = MgO + CO₂ C + H₂O = CO + H₂ All of these CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is the second major component of cement? Fe₂O₃ Al₂O₃ SiO₂ CaO Fe₂O₃ Al₂O₃ SiO₂ CaO ANSWER DOWNLOAD EXAMIANS APP
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