Question
a.
a slow reaction.
b.
a discontinuous reaction (requiring regeneration of iron by water gas intermittently).
c.
still in development stage (by employing fluidised bed technique).
d.
all (a), (b) and (c).
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Q. Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is
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