Chemical Process Chalcopyrite is the main ore of Iron Tin Copper Lead Iron Tin Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Manufacture of phthalic anhydride uses __________ as a catalyst. Cr Al₂O₃ V₂O₅ Ni Cr Al₂O₃ V₂O₅ Ni ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Good quality of edible salt is obtained from brine by the process of Freeze drying Electrolysis Vacuum evaporation Solar evaporation Freeze drying Electrolysis Vacuum evaporation Solar evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following processes can remove both temporary as well as permanent hardness of water? Distillation Boiling None of these Filtration Distillation Boiling None of these Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C. -196 -103 -53 -183 -196 -103 -53 -183 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Catalytic oxidation of naphthalene produces Phenol Styrene None of these Phthalic anhydride Phenol Styrene None of these Phthalic anhydride ANSWER DOWNLOAD EXAMIANS APP
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