1.

Various types of one in the blast bumace are given in the List and reactions take place traction of iron are given in List II {:("List-I","List-II"),((1)"Zone of reduction",(a)C+O_(2) to CO_(2)),((2)"Zone of heat absoroption",(b) CO_(2)+C to 2CO),((3)"Zone of fusion",(c) Fe_(2)O_(3)+3CO to 2Fe+3CO_(2)):}

Answer»

`{:(1,2,3),(a,B,C):}`
`{:(1,2,3),(c,b,a):}`
`{:(1,2,3),(b,c,a):}`
`{:(1,2,3),(c,a,b):}`

ANSWER :B


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