5
lesson pretestMultiple Choice

Pretest

Question 5 • Physical Science

When baking soda and vinegar react, the surface bubbles. What does this most likely indicate?

Answer
A
a non-chemical change, because a gas is being formed
B
a chemical change, because a gas is being formed
C
a chemical change, because a precipitate is being formed
D
a non-chemical change, because a precipitate is being formed
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When baking soda and vinegar react, the surface…