Posted by jika on Tuesday, February 5, 2008 at 6:09pm.
A chemical change occurs when one or more substances are changed into different products. (an 8th grade definition). I want to "pick" on you a little even though I suspect you wrote the question exactly as you received it. I want to point out that the word clear is not the same as colorless. The egg white changed from colorless and clear (clear--meaning not cloudy or turbid) to an opaque white substance. It's opaque because you can't see through it. I suspect some physical changes occurred, also, but it would be difficult to distinguish them from the chemical ones.
Thanks.
The correct answer is both.
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