Which situation describes evidence of a chemical change?
a. when food color is added to water, it changes color.
b. a solid changes into liquid when heated.
c. a solution feels warm after a cool solid is added to it.
d. a cloudy solution is clear after filtering.
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Which situation describes evidence of a chemical change?
a. when food color is added to water...
a. when food color is added to water...
Mathematics, 14.09.2019 08:30
Mathematics, 14.09.2019 08:30
Mathematics, 14.09.2019 08:30
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