Chemical Process High temperature carbonisation of coal takes place at __________ °C. < 500 1100 700 2000 < 500 1100 700 2000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Addition of calcium oxide to water produces Hissing sound All of these Exothermic heat Slaked lime Hissing sound All of these Exothermic heat Slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass. Chromium Arsenic Mangnese Copper Chromium Arsenic Mangnese Copper 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 Putting more quantity of V₂O₅ catalyst in the converter Removing some quantity of SO₃ during intermediate stage Increasing the oxygen concentration Maintaining low temperature & pressure in the converter Putting more quantity of V₂O₅ catalyst in the converter Removing some quantity of SO₃ during intermediate stage Increasing the oxygen concentration Maintaining low temperature & pressure in the converter ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dehydrogenation of ethyl benzene produces Benzoic acid Phenol Styrene Naphthalene Benzoic acid Phenol Styrene Naphthalene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the main reducing agent during production of iron from iron ore in a blast furnace? CO H₂ C CO₂ CO H₂ C CO₂ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS