Chemical Process Bleaching of paper pulp is done with Magnesium sulphite Activated clay Bromine Chlorine or chlorine dioxide Magnesium sulphite Activated clay Bromine Chlorine or chlorine dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phenol formaldehyde Employs condensation polymerisation Is a monomer Employs addition polymerisation Is an abrasive material Employs condensation polymerisation Is a monomer Employs addition polymerisation Is an abrasive material ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst Has a longer life and is not poisoned by arsenic All of these Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant Gives higher conversion efficiency Has a longer life and is not poisoned by arsenic All of these Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant Gives higher conversion efficiency ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commonly used glass is known as the __________ glass. Hard Pyrex Soda Flint Hard Pyrex Soda Flint ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Separation of fresh water from sea water can be done by the __________ operation. Absorption Adsorption Osmosis Reverse osmosis Absorption Adsorption Osmosis Reverse osmosis ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In multistage equilibrium conversion of SO₂ to SO₃ (2SO₂ + O₂ ⇋ 2SO₃), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO₂ to SO₃ can be increased by Increasing the oxygen concentration Putting more quantity of V₂O₅ catalyst in the converter Maintaining low temperature & pressure in the converter Removing some quantity of SO₃ during intermediate stage Increasing the oxygen concentration Putting more quantity of V₂O₅ catalyst in the converter Maintaining low temperature & pressure in the converter Removing some quantity of SO₃ during intermediate stage ANSWER DOWNLOAD EXAMIANS APP
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