Chemical Process Ore concentration by froth floatation utilises the __________ of ore particles. Density difference None of these Wetting characteristics Terminal velocities Density difference None of these Wetting characteristics Terminal velocities ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sizing material is incorporated in paper to Increase its thickness Increase its brightness Impart resistance to penetration by liquids Increase its flexibility & opacity Increase its thickness Increase its brightness Impart resistance to penetration by liquids Increase its flexibility & opacity 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 Maintaining low temperature & pressure in the converter Increasing the oxygen concentration Putting more quantity of V₂O₅ catalyst in the converter Removing some quantity of SO₃ during intermediate stage Maintaining low temperature & pressure in the converter Increasing the oxygen concentration Putting more quantity of V₂O₅ catalyst in the converter Removing some quantity of SO₃ during intermediate stage ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The yield of tar from high temperature carbonisation of dry coal is about __________ percent. 22 0.3 3 12 22 0.3 3 12 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrolysis of sugar is called Hydration None of these Inversion Esterification Hydration None of these Inversion Esterification ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the Lurgi coal gasifier Coking coals cannot be used Large quantity of coal can be processed Entrainment of solids is higher Low carbon conversion efficiency is achieved Coking coals cannot be used Large quantity of coal can be processed Entrainment of solids is higher Low carbon conversion efficiency is achieved ANSWER DOWNLOAD EXAMIANS APP
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