Regarding to the question you guys asked about Iron filling, actually the iron filling is just the powder of iron. It put it there to react with the air when it heated up, that's why the answer is C the final iron product mixed with oxygen and become iron dioxide. Any other questions feel free to ask and post in comments, thank you.
2008年4月30日星期三
Chapter 6 Exercise 10
Regarding to the question you guys asked about Iron filling, actually the iron filling is just the powder of iron. It put it there to react with the air when it heated up, that's why the answer is C the final iron product mixed with oxygen and become iron dioxide. Any other questions feel free to ask and post in comments, thank you.
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