Tuesday, 13 April 2010

Science help please my sister is really sick and i want to help her?

1. why boiling of water is a physical change rather than a chemical change.
What are indications that you are observing a chemical change rather than a physical change?
Why is flammability considered a chemical property?
Does the law of conservation of mass apply to burning a log?
explain
How could you show that the [...] http://bit.ly/aRGc42

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