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Which of the following statements is/are...

Which of the following statements is/are correct about slag ?

A

The slag is lighter than molten metal

B

The calcium silicate, `CaSiO_3` is obtained is slag formation zone in the extraction of iron from haematite ore

C

In blast furnace/Bessemer converter , the upper layer of molten liquid (i.e. molten metal) is of slag

D

The slag is fusible matter.

Text Solution

Verified by Experts

The correct Answer is:
A,B,C,D

(A)True statement
(B)`CaCO_3 overset(Delta)toCaO+CO_2`
`CaO+SiO_2 to CaSiO_3`
These reactions take place in slag formation zone at temperature `~~`1275 K
(C ) True statement.
(D)Infusible matter + Flux =Fusible matter (slag)
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