Classify each one of these examples as a physical or chemical change. give a reason (observation) of why each example is a specific type of change.
question:
a. the teacher puts a sugar cube into a container of warm water. eventually the sugar cube is no longer visible. what type of change is this and why? (2 points)
b. the teacher puts vinegar into a small container of baking soda. the combined substances begins to fizz and bubble. what type of change is this and why? (2 points)
Answers: 1
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Classify each one of these examples as a physical or chemical change. give a reason (observation) of...
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