Chemistry Practice Problems Physical & Chemical Changes Practice Problems Solution: Which of the following are chemical changes? Check...

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Solution: Which of the following are chemical changes? Check all that apply.a. water is boiledb. gasoline is evaporatedc. gasoline is burnedd. water is heated upe. water is frozen

Problem

Which of the following are chemical changes? Check all that apply.

a. water is boiled

b. gasoline is evaporated

c. gasoline is burned

d. water is heated up

e. water is frozen

Solution
  • Recall that physical changes involved changes where the composition remains the same. Chemical changes happen when the composition changes or is being altered. 

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