Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Roasting Reduction Calcination Smelting Roasting Reduction Calcination Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nickel is not used as a catalyst in the __________ reaction. Shift conversion Ammonia cracking/dissociation Oil hydrogenation Steaming reforming of naphtha Shift conversion Ammonia cracking/dissociation Oil hydrogenation Steaming reforming of naphtha ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pure rectified spirit contains about __________ percent alcohol. 99.5 95 45 70 99.5 95 45 70 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Helium is produced on commercial scale from Natural gas Coke oven gas None of these Air Natural gas Coke oven gas None of these Air ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C. -5 to 0 5 to 10 30 to 50 75 to 80 -5 to 0 5 to 10 30 to 50 75 to 80 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrogen gas is not produced commercially (for nitrogeneous fertiliser manufacture) by Its cryogenic separation from coke oven gas Steam reforming of naphtha Electrolysis of water Iron-steam reaction Its cryogenic separation from coke oven gas Steam reforming of naphtha Electrolysis of water Iron-steam reaction ANSWER DOWNLOAD EXAMIANS APP
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