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| Subject:
further clarification for question 121700
Category: Miscellaneous Asked by: poetic-ga List Price: $2.00 |
Posted:
09 Dec 2002 10:42 PST
Expires: 08 Jan 2003 10:42 PST Question ID: 121896 |
In response to earlier answer related to testing for gold 121700. would a metal object that bubbles when solution is placed on it and later turns bluey green in colour sugeest that it might be gold and copper ? |
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| Subject:
Re: further clarification for question 121700
From: tar_heel_v-ga on 09 Dec 2002 10:44 PST |
For Researchers: https://answers.google.com/answers/main?cmd=threadview&id=121700 |
| Subject:
Re: further clarification for question 121700
From: supermacman-ga on 09 Dec 2002 20:14 PST |
FYI, I answered question #121700. According to the activity series, copper does not react with acids readily. In reality, if copper is exposed to a very strong acid (concentrated nitric acid, for example), it will react. I do not know what colour it will turn, though. Do know that concentrated nitric acid is very dangerous and difficult to find unless from special chemistry shops or industrial plants. |
| Subject:
Re: further clarification for question 121700
From: supermacman-ga on 09 Dec 2002 20:15 PST |
wrong question. I didn't answer 121700, but another one that Poetic asked. |
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