Chemical Process Sudden temperature fluctuation does not affect pyrex glass, because of its Low co-efficient of expansion High melting point Both B and C High co-efficient of expansion Low co-efficient of expansion High melting point Both B and C High co-efficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent. 75 < 10 > 30 50 75 < 10 > 30 50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is used as a flux in the extraction of iron from iron ore (hametite) in blast furnace. Quartz Bauxite Limestone Manganese Quartz Bauxite Limestone Manganese 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 Removing some quantity of SO₃ during intermediate stage Maintaining low temperature & pressure in the converter Putting more quantity of V₂O₅ catalyst in the converter Increasing the oxygen concentration Removing some quantity of SO₃ during intermediate stage Maintaining low temperature & pressure in the converter Putting more quantity of V₂O₅ catalyst in the converter Increasing the oxygen concentration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process White phosphorous is stored under water, because It does not react with water It is poisonous It is unstable Its kindling temperature in dry air is very low It does not react with water It is poisonous It is unstable Its kindling temperature in dry air is very low ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carbon content of pitch (residue of coal tar distillation) is around __________ percent. 80 94 55 70 80 94 55 70 ANSWER DOWNLOAD EXAMIANS APP
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