Chemistry Forums for Students > Chemistry Olympiad and other competitions
Chemical Identification for Competition
Garneck:
--- Quote from: geodome on April 07, 2005, 03:43:48 AM ---Once you have identified sodium bicarbonate, you can use it as a source of OH- to precipitate Zinc. Ammonium chloride will give you negative observation
--- End quote ---
Well, in that case, she can use the identified KOH too. And using OH- on ammonium chloride will give you an observation - there will be ammonia released and we've got a nasty smell. ;)
hmx9123:
In case you like more reading, here's a link to yet another of these solution ID problems we've discussed previously.
http://www.chemicalforums.com/index.php?board=2;action=display;threadid=2669&start=0
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