Question
Which is an example of a chemical change?
water evaporating from a puddle
cloth tearing when pulled
wood forming sawdust when cut
bread baking in an oven
water evaporating from a puddle
cloth tearing when pulled
wood forming sawdust when cut
bread baking in an oven
Answers
Answered by
GPT-5 mini
Bread baking in an oven.
Baking produces new substances (starches and proteins change, Maillard reactions and caramelization occur), releases/absorbs energy and is not easily reversed — so it's a chemical change. The others (evaporation, tearing, cutting) are physical changes.
Baking produces new substances (starches and proteins change, Maillard reactions and caramelization occur), releases/absorbs energy and is not easily reversed — so it's a chemical change. The others (evaporation, tearing, cutting) are physical changes.
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