Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Smelting Calcination Roasting Reduction Smelting Calcination Roasting Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The amount of benzene present in pure benzol is about __________ percent. 30 70 90 50 30 70 90 50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High temperature carbonisation of coal produces Inferior coke compared to low temperature carbonisation Larger quantity of tar compared to low temperature carbonisation Less of gases compared to liquid products None of these Inferior coke compared to low temperature carbonisation Larger quantity of tar compared to low temperature carbonisation Less of gases compared to liquid products None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like All of these Fragile nature Easy poisoning tendency High cost All of these Fragile nature Easy poisoning tendency High cost ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Manufacture of phthalic anhydride uses __________ as a catalyst. Al₂O₃ Cr V₂O₅ Ni Al₂O₃ Cr V₂O₅ Ni ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Neoprene is the trade name of Phenol formaldehyde Styrene-butadiene rubber Polychloroprene Polyurathane Phenol formaldehyde Styrene-butadiene rubber Polychloroprene Polyurathane ANSWER DOWNLOAD EXAMIANS APP
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