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When you boil an egg, the egg "white" changes from clear to white. The egg also becomes "hard boiled." What type of changes are occurring in the egg?

B.Neither physical nor chemical
D.Physical and Chemical

  • Science -

    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.

  • Science -


    The correct answer is both.

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