A. magnetite
B. haematite
C. carbon(ii)oxide
D. calcium trioxosilicate(iv)
Correct Answer:
Option B – haematite
Explanation
Cast iron + haematite = wrought iron
A. magnetite
B. haematite
C. carbon(ii)oxide
D. calcium trioxosilicate(iv)
Correct Answer:
Option B – haematite
Explanation
Cast iron + haematite = wrought iron
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