Chemical Process Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of Sulphuric acid Nitric acid Ammonium sulphate Hydrochloric acid Sulphuric acid Nitric acid Ammonium sulphate Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction? Reduction of Na+ ions Oxidation of Na+ ions Reduction of Cl- ions Oxidation of Cl- ions Reduction of Na+ ions Oxidation of Na+ ions Reduction of Cl- ions Oxidation of Cl- ions ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High temperature carbonisation of coal produces 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 Inferior coke compared to low temperature carbonisation Larger quantity of tar compared to low temperature carbonisation Less of gases compared to liquid products ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Kopper-Totzek coal gasifier Is a moving bed reactor Operate at very high pressure Can give ammonia synthesis gas (H₂ + N₂) Cannot use coking coal Is a moving bed reactor Operate at very high pressure Can give ammonia synthesis gas (H₂ + N₂) Cannot use coking coal ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is None of these Ultraviolet light Oleum Dilute H₂SO₄ None of these Ultraviolet light Oleum Dilute H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Absorption of SO₃ in 97% H₂SO₄ is Not possible Endothermic None of these Exothermic Not possible Endothermic None of these Exothermic ANSWER DOWNLOAD EXAMIANS APP
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