Chemical Process Thermosetting plastic materials Can be repeatedly melted Is useful for melt casting Is useful for spinning Can not be melted after forming Can be repeatedly melted Is useful for melt casting Is useful for spinning Can not be melted after forming ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Styrene (a monomer for the production of polystyrene) is commercially produced by Fermentation of starch Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Fermentation of starch Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde ANSWER DOWNLOAD EXAMIANS APP
Chemical Process CaO is called Quick lime Calcite Limestone Slaked lime Quick lime Calcite Limestone Slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Conversion of SO₂ to SO₃ in Monsanto 4-pass converter is about __________ percent. 90 100 80 98 90 100 80 98 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is All of these A slow reaction Still in development stage (by employing fluidised bed technique) A discontinuous reaction (requiring regeneration of iron by water gas intermittently) All of these A slow reaction Still in development stage (by employing fluidised bed technique) A discontinuous reaction (requiring regeneration of iron by water gas intermittently) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Concentration of sulphide ores is done usually by Froth floatation Roasting Electro magnetic separation Smelting Froth floatation Roasting Electro magnetic separation Smelting ANSWER DOWNLOAD EXAMIANS APP
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