make a list that irreversible or reversible
Answers
Answer:
Reversible changes - where a change is made physically and can be undone or reversed. For example: freezing water to make ice. Irreversible changes - where the change is made chemically and can't be reversed into its original states. For example: baking a cake.
- Heating. Heating can cause an irreversible change. For example you heat a raw egg to cook it. ...
- Mixing. Mixing substances can cause an irreversible change. ...
- Burning. Burning is an example of an irreversible change.
when materials are heated and cooled they may undergo changes.These changes maybe temporary or permanent
we can also say that changes can be reversible amd irreversible
A temporary change is reversible a material that has undergone a reversible change can still return to its original form.No new substance is formed such a change it also known as physical change
examples:
chocolate gains heat¦then cooled
when solid chocolate is heated it melts to form liquid chocolate the liquid chocolate can be cooled to form solid chocolate again.This is reversible change no new substance is formed
butter gains heat then cooled
when butter gains heat it becomes soft the soft butter can solidify again when it is placed in refrigerator to be cooled.This is also a reversible change no new substance formed.
A permanent change is irreversivle a material that has undergone irreversible change cannot return to its original form a new substance is formed such a change is also known as chemical change ?
examples:
when raw meat heated but no cooled
leaves are burnt and no cooled
hope it helps
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