Chemical Process Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is Still in development stage (by employing fluidised bed technique) All of these A slow reaction A discontinuous reaction (requiring regeneration of iron by water gas intermittently) Still in development stage (by employing fluidised bed technique) All of these A slow reaction A discontinuous reaction (requiring regeneration of iron by water gas intermittently) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process H₂S is scrubbed from refinery gases by absorption using Dilute H₂SO₄ Chilled water Ethanol amine Tri-butyl phosphate Dilute H₂SO₄ Chilled water Ethanol amine Tri-butyl phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ of quicklime produces slaked lime. Hydration Dehydration None of these Hydrogenation Hydration Dehydration None of these Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Salt cake is chemically represented by CaSO₄.1/2 H₂O Na₂SO₄ MgSO₄ BaSO₄ CaSO₄.1/2 H₂O Na₂SO₄ MgSO₄ BaSO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Roasting of metallurgical ores is done mainly to Remove arsenic & sulphur Remove CO₂ & H₂O Dehydrate it Sinter the ore Remove arsenic & sulphur Remove CO₂ & H₂O Dehydrate it Sinter the ore ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituents of portland cement are calcium aluminate and Sodium silicate Silicates Carbonates Gypsum Sodium silicate Silicates Carbonates Gypsum ANSWER DOWNLOAD EXAMIANS APP
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