29. Observe the following chemical reactions
i) Fe2O3 + 2A1
2Fe + Al2O3
ii) ZnO + C -
Zn + CO
iii) Fe2O3 + 3C -
2Fe + CO
iv) Al2O3 + 3C
2A1 + 3C0
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?
Answers
Answered by
15
Answer:
3) reaction is wrong
Explanation:
fe2o3+3c=2fe+3co
Answered by
8
>wrong is (iv)
>It is extracted by electrolysis.
>(i) is used to join broken parts.
>because, It is exothermic.
>Fe is in liquid state.
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