How many of the following reduction process are correct ? (1) B2O3+Al – InterviewSolution

1.	How many of the following reduction process are correct ? (1) B2O3+AlΔ⟶B (2) Cr2O3+2AlΔ⟶Cr (3) TiCl4+MgΔ⟶Ti (4) PbS+PbOΔ⟶Pb (5) 3Fe2O3+CO→2Fe3O4+CO2 (6) Fe3O4+CO→3FeO+CO2 (7) 2Cu2O+Cu2S→6Cu+SO2 (8) SnO2+C→SnO+CO↑
Answer» How many of the following reduction process are correct ? (1) $B_{2} O_{3} + A l Δ ⟶ B$ (2) $C r_{2} O_{3} + 2 A l Δ ⟶ C r$ (3) $T i C l_{4} + M g Δ ⟶ T i$ (4) $P b S + P b O Δ ⟶ P b$ (5) $3 F e_{2} O_{3} + C O \to 2 F e_{3} O_{4} + C O_{2}$ (6) $F e_{3} O_{4} + C O \to 3 F e O + C O_{2}$ (7) $2 C u_{2} O + C u_{2} S \to 6 C u + S O_{2}$ (8) $S n O_{2} + C \to S n O + C O ↑$

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