two differences between a physical change and a chemical change.
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Answer:A chemical change is a permanent change. A Physical change affects only physical properties i.e. shape, size, etc. ... Some examples of physical change are freezing of water, melting of wax, boiling of water, etc. A few examples of chemical change are digestion of food, burning of coal, rusting, etc.
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PHYSICAL CHANGE.
physical change is a temporary change.
A physical change involves very little to no absorption of energy.
CHEMICAL CHANGE.
A chemical change is a permanent change .
During a chemical reaction absorption and evolution of energy take place
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