Chemical Process Kaoline is a/an Artificial abrasive Refractory material Synthetic resin Blue pigment Artificial abrasive Refractory material Synthetic resin Blue pigment ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The function of gypsum addition during cement making is to Both A and B Neither A nor B Increase the density of cement Decrease the cement setting rate Both A and B Neither A nor B Increase the density of cement Decrease the cement setting rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Systemic insecticides Are stomach poisons Are absorbed throughout the plant Emit poisonous vapour Kill insects following external bodily contact Are stomach poisons Are absorbed throughout the plant Emit poisonous vapour Kill insects following external bodily contact ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst Gives higher conversion efficiency Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant Has a longer life and is not poisoned by arsenic All of these Gives higher conversion efficiency Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant Has a longer life and is not poisoned by arsenic All of these 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 Removing some quantity of SO₃ during intermediate stage Putting more quantity of V₂O₅ catalyst in the converter Maintaining low temperature & pressure in the converter Increasing the oxygen concentration Removing some quantity of SO₃ during intermediate stage Putting more quantity of V₂O₅ catalyst in the converter Maintaining low temperature & pressure in the converter ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The temperature in the calcium carbide furnace is __________ °C. 200-300 2000-2200 4000-4500 700-850 200-300 2000-2200 4000-4500 700-850 ANSWER DOWNLOAD EXAMIANS APP
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