Chemical Process H₂S is scrubbed from refinery gases by absorption using Chilled water Tri-butyl phosphate Dilute H₂SO₄ Ethanol amine Chilled water Tri-butyl phosphate Dilute H₂SO₄ Ethanol amine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Glauber's salt is chemically represented by CaSO₄.H₂O CaCl(OCl) (NH₄)₂SO₄ Na₂SO₄.10H₂O CaSO₄.H₂O CaCl(OCl) (NH₄)₂SO₄ Na₂SO₄.10H₂O ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Permanent hardness of water can be removed by Adding alum Simply boiling All of these Passing it through cation & anion exchangers Adding alum Simply boiling All of these Passing it through cation & anion exchangers ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Salt cake is chemically represented by BaSO₄ Na₂SO₄ CaSO₄.1/2 H₂O MgSO₄ BaSO₄ Na₂SO₄ CaSO₄.1/2 H₂O MgSO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine? NaHCO₃ None of these Na₂CO₃ H₂ NaHCO₃ None of these Na₂CO₃ H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of H₂S in raw water (to be chlorinated) results in the Increased dosage of chlorine to provide a disinfecting residual in the water Reduced softening capacity of zeolite None of these Easy removal of its hardness Increased dosage of chlorine to provide a disinfecting residual in the water Reduced softening capacity of zeolite None of these Easy removal of its hardness ANSWER DOWNLOAD EXAMIANS APP
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