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Please help I have been stuck on this for a long time.
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Please help I have been stuck on this for a long time.

Please help I have been stuck on this for a long time.-example-1
User Santosh Patel
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* Lab question: How can you distinguish a physical change from a chemical change?

> Format: How can you distinguish A from B?

Answer! Comparison: physical changes vs. chemical changes

User Arnaud Moret
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