Chemical Process Which is the main reducing agent during production of iron from iron ore in a blast furnace? CO₂ H₂ CO C CO₂ H₂ CO C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main use of liquid nitrogen is in Rocket propulsion Making gun powder Refrigerative cooling Detergent manufacture Rocket propulsion Making gun powder Refrigerative cooling Detergent manufacture ANSWER DOWNLOAD EXAMIANS APP
Chemical Process H₂S is scrubbed from refinery gases by absorption using Tri-butyl phosphate Ethanol amine Chilled water Dilute H₂SO₄ Tri-butyl phosphate Ethanol amine Chilled water Dilute H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carbon content of pitch (residue of coal tar distillation) is around __________ percent. 55 70 94 80 55 70 94 80 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Magnesium and calcium __________ cause temporary hardness of water. Bicarbonates Phosphates Carbonates Sulphates Bicarbonates Phosphates Carbonates Sulphates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to Facilitate fast filtration Flocculate the impurities Both A and B Neither A nor B Facilitate fast filtration Flocculate the impurities Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP