1 條 科學 的問題 ( 英文 ) 急急急 !!!

2008-04-15 11:28 pm
1 條 科學 的問題 ( 英文 ) :

1. Name three metals used to coat other metals . Why is one metal used to
coat another ?

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回答 (2)

2008-04-15 11:43 pm
✔ 最佳答案
chromium, zinc and sliver are the examples used to coat other metals.
There are several reasons, 2 common reasons are use to improve the appearance like sliver on fork and to protect the metals from rusting, like zinc on iron.

hope I can help you.
參考: myself
2008-04-16 2:27 am
A little additional information: You might want to specify this process is called Galvanization. This process is mainly adopted to protect the coated metal in order to prevent corrosion (rusting).


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