Chemistry Practice Problems Physical & Chemical Changes Practice Problems Solution: Which of the following are examples of physical ch...

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Solution: Which of the following are examples of physical change? A) dew forms on a blade of grass B) a halloween light stick glows after shaking C) an egg solidifies during cooking D) a hydrogen balloon explodes when contacted with a flame E) None of the above are physical changes.

Problem

Which of the following are examples of physical change?

A) dew forms on a blade of grass

B) a halloween light stick glows after shaking

C) an egg solidifies during cooking

D) a hydrogen balloon explodes when contacted with a flame

E) None of the above are physical changes.