We’re being asked which of the following conditions is a chemical change.
Let’s first define a physical change and a chemical change.
Physical change → there is a change in a matter as it goes from one physical state to another.
Chemical change → atoms rearrange themselves to create a new substance.
Now, let’s take a look at each condition:
Which of the following is a chemical change?
A. Sugar dissolves in water
B. Solid CO2 is shattered with a hammer
C. Ice undergoes fusion to form liquid water
D. Sugar burns when heated on skillet
E. Butane in a lighter evaporates
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