Question

29. Observe the following chemical reactions
i) Fe2O3 + 2A1-
2Fe + Al2O3
ii) ZnO + C
Zn + CO
iii) Fe2O3 + 3C -
2Fe + CO
iv) Al2O3 + 3C
2Al + 3CO
Which of the above reaction is wrong? How is the metal present in the
wrong equation extracted? Which of the above reaction can be used to
join the broken parts of the machines. Why?​

Answer 1

Answer:

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