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 discontinuous reaction (requiring regeneration of iron by water gas intermittently) Still in development stage (by employing fluidised bed technique) A slow reaction All of these A discontinuous reaction (requiring regeneration of iron by water gas intermittently) Still in development stage (by employing fluidised bed technique) A slow reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Saponification number of an oil or fat All of these Is inversely proportional to its molecular weight Detects its adulteration Gives an idea about its molecular weight All of these Is inversely proportional to its molecular weight Detects its adulteration Gives an idea about its molecular weight ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oxidation of SO₂ to SO₃ is favoured by Low temperature and low pressure High temperature and low pressure High temperature and high pressure Low temperature and high pressure Low temperature and low pressure High temperature and low pressure High temperature and high pressure Low temperature and high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phosphate rock is a raw material for the manufacture of Superphosphates Phosphoric acid Phosphorous All of these Superphosphates Phosphoric acid Phosphorous All of these 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 Fermentation of starch Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Fermentation of starch Reacting ethylene oxide with acetal-dehyde ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Coke used for the production of calcium carbide should have Low ignition temperature All of these Low ash content High electrical resistivity Low ignition temperature All of these Low ash content High electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
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