Subject: How do you know if a precipitate has formed during a chemical/phys rxn?
Date: Sat Oct 30 23:26:35 1999
Posted by No name entered.
Grade level: 10-12
School: No school entered.
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Area of science: Chemistry
ID: 941340395.Ch
Message:
For example, a starch and potassium iodide sol'n in combination with
hydrogen peroxide where mixed...crystals seemed to have formed on top, is
that a precipitate? Or when you add cobalt (II) chloride to ammonia
sol'n... some turns a turquoise color and settles, is that a precipitate?
Re: How do you know if a precipitate has formed during a chemical/phys rxn?
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