Cementite is
(A) Fe3C chemically
(B) A compound of carbon and iron
(C) Characterised by an orthorhombic crystal structure
(D) All (A), (B) and (C)
(A) Fe3C chemically
(B) A compound of carbon and iron
(C) Characterised by an orthorhombic crystal structure
(D) All (A), (B) and (C)