which
is better reducing agent for
:
(i)
In the lower part of blast furance (Higher temperature) 1
(ii)
In the upper part of blast furance (Lower temperature). 1
Answer:
(a)
Depresent is used in the froth floatation process for preventing the
specific sulphide ore from forming froth in a mixture of
sulphides. 1
(b) (i) Carbon is better reducing agent at high
temperature. 1
(ii) CO is better reducing agent at low
temperautre. 1
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