Chemical Process The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by None of these Electrolytic oxidation Electrolysis Electrolytic reduction None of these Electrolytic oxidation Electrolysis Electrolytic reduction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrogen gas is not produced commercially (for nitrogeneous fertiliser manufacture) by Its cryogenic separation from coke oven gas Iron-steam reaction Steam reforming of naphtha Electrolysis of water Its cryogenic separation from coke oven gas Iron-steam reaction Steam reforming of naphtha Electrolysis of water ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The temperature in the calcium carbide furnace is __________ °C. 700-850 4000-4500 200-300 2000-2200 700-850 4000-4500 200-300 2000-2200 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cement setting under water employs a/an __________ process. Decomposition Hydration Reduction Oxidation Decomposition Hydration Reduction Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement? Calcium & aluminium stearate Stearic acid Xanthates Formic acid Calcium & aluminium stearate Stearic acid Xanthates Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Production of one ton of cement requires about __________ tons of limestone. 0.6 1.2 2.2 3.8 0.6 1.2 2.2 3.8 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS