Chemical Process Liquefaction of gases can not be done by Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Adiabatic expansion against a piston or in a turbine Merely compressing it beyond critical pressure Exchange of heat with colder stream Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Adiabatic expansion against a piston or in a turbine Merely compressing it beyond critical pressure Exchange of heat with colder stream ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Styrene (a monomer for the production of polystyrene) is commercially produced by Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Reacting ethylene oxide with acetal-dehyde Fermentation of starch Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Reacting ethylene oxide with acetal-dehyde Fermentation of starch ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most stable allotropic form of phosphorous is the __________ phosphorous. Black White Red Yellow Black White Red Yellow ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Synthetic glycerine is produced from Toluene Phenol Naphthalene Propylene Toluene Phenol Naphthalene Propylene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an endothermic reaction? C + H₂O = CO + H₂ Absorption of SO₃ in 98% H₂SO₄ Thermal dissociation of iron pyrites Both B and C C + H₂O = CO + H₂ Absorption of SO₃ in 98% H₂SO₄ Thermal dissociation of iron pyrites Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant. Soda lime High silica Lead Pyrex Soda lime High silica Lead Pyrex ANSWER DOWNLOAD EXAMIANS APP
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