Chemical Process __________ are used as corrosion inhibitor for iron & steel in aqueous solutions. Sulphates Bi-carbonates Phosphates Chromates Sulphates Bi-carbonates Phosphates Chromates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Inversion of sucrose produces Both A & B Glucose Fructose Neither A nor B Both A & B Glucose Fructose Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the most efficient absorbant for SO₃ out of the following? 78%H₂SO₄ 98%H₂SO₄ 20% oleum 65% oleum 78%H₂SO₄ 98%H₂SO₄ 20% oleum 65% oleum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of carbonaceous matter in the sewage Reduces sulphate ions to sulphides causing obnoxious smell Increases the quantity of chlorine used for its purification All of these Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures Reduces sulphate ions to sulphides causing obnoxious smell Increases the quantity of chlorine used for its purification All of these Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is an ore concentrating metallurgical process involving a chemical change. None of these Froth floatation Electromagnetic separation Roasting None of these Froth floatation Electromagnetic separation Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Neon gas is All of these Filled in lamps having tungsten filament Flammable in nature Used in color discharge tube All of these Filled in lamps having tungsten filament Flammable in nature Used in color discharge tube ANSWER DOWNLOAD EXAMIANS APP