Which of the following is not a chemical change?
A) A nail rusts when exposed to air and moisture.
B) Milk turns sour if left unrefrigerated.
C) Yeast produces carbon dioxide to help bread rise.
D) Copper is molded with heat to form pipes.
E) Mixing baking soda and vinegar causes fizzing and bubbling.
Correct Answer:
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Q19: Which is an example of a chemical
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Q23: Which one of the following is a
Q25: Each of the following properties of a
Q26: A physical property is one that
A)can be
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