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No it isn't, however, the oxidation of the organic material that occurs after the Pear has been cut, is a chemical reaction, it is called Redox.

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14y ago

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Cutting up a pear chemical reaction or reversible?

It's chemical because you can't get the pear back to a whole.


Is cutting up a pear a reversible change or a chemical reaction and why?

You can't glue together a divided pear,if you want it to be valuable but it is not a chemical change..why?-The reason is that a chemical change is followed by entirely new product and what you have done is to seperate the pear molecules,it is still a pear!,and it is a physical change,and you are free to ask more question,because I understand that a pear has life..


Is cutting up a pear a chemical?

No it isn't, however, the oxidation of the organic material that occurs after the Pear has been cut, is a chemical reaction, it is called Redox.


Why is cutting up a pear irreversible?

irreversible


Is cutting up a pear a reversible change?

no because you cannot really get it back to a whole pear.


How do you prevent pear molding?

Try cutting them up and freezing them


What can a chemical reaction be speeded up by?

A catalyst can speed up a chemical reaction.


What can speed up a chemical reaction by decreasing?

chemical reaction


What is chemical reaction in an enzyme?

to speed up a chemical reaction


What is lowered to speed up a chemical reaction?

Activation energy is lowered to speed up a chemical reaction.


What is cutting up an old rag a physical change or chemical change?

It is not a chemical change because after cutting the chemical composition remain unchanged.


If a chemical reaction uses up energy the reaction is .?

endothemic