Chemical Process Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nylon 66 is so named because the Number of nitrogen atoms between two carbon atoms are 6 Average degree of polymerisation of the polymer is 1966 Number of carbon atoms between two nitrogen atoms are 6 Polymer was first synthesised in 1966 Number of nitrogen atoms between two carbon atoms are 6 Average degree of polymerisation of the polymer is 1966 Number of carbon atoms between two nitrogen atoms are 6 Polymer was first synthesised in 1966 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscose rayon Cannot yield textile grade fibre None of these Utilises H₂SO₄, NaOH and CS₂ during its manufacture Cannot be made from sulphite pulp Cannot yield textile grade fibre None of these Utilises H₂SO₄, NaOH and CS₂ during its manufacture Cannot be made from sulphite pulp ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of Magnesium chloride Sodium sulphate Calcium sulphate Sodium chloride Magnesium chloride Sodium sulphate Calcium sulphate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Yellow phosphorus is transported under Helium Water Air Nitrogen Helium Water Air Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Concentration of sulphide ores is done usually by Smelting Froth floatation Electro magnetic separation Roasting Smelting Froth floatation Electro magnetic separation Roasting ANSWER DOWNLOAD EXAMIANS APP
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