Chemistry question

2007-05-01 12:38 am

1. Can silver be occured in Earth in free state? I know that silver can also be extracted in silver oxide.

2. What is the word equation for the process of extracting mercury from mercury sulphide?

回答 (1)

用戶120464

2007-05-01 3:04 am

✔ 最佳答案

1. Yes
2. The equation for this extraction is

HgS + O2 → Hg + SO2

我諗唔洗既原因係佢一heat就出黎

參考: http://en.wikipedia.org/wiki/Mercury_%28element%29#Mineral_occurrence

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