which of the following could be described as a reversible change?\nheating green copper carbonate powder…
which of the following could be described as a reversible change?\nheating green copper carbonate powder turns it black\nmarble chips fizz with acid\nwhen zinc oxide is heated it turns yellow, on cooling it becomes white\nmagnesium burns brightly when heated in air
Answer
Brief Explanations:
A reversible change is one where the substance can return to its original state. Heating zinc oxide makes it turn yellow, and cooling it makes it white again, showing a reversible physical change. The other options involve chemical reactions that are not easily reversed.
Answer:
when zinc oxide is heated it turns yellow, on cooling it becomes white