Questions:
1. What happened when you cut the banana and exposed it to air?
2. What changes occurred? Why did it occur?
3.What process of change happened?
4.What there a new substance formed during the chemical
change?
1. What happened when you cut the banana and exposed it to air?
2. What changes occurred? Why did it occur?
3.What process of change happened?
4.What there a new substance formed during the chemical
change?
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Answer
1. the banana will turn to color brown
2. Bananas contain polyphenol oxidase and other iron-containing chemicals which react with the oxygen in the air when the cells are cut open. When exposed to the air, these chemicals react in a process known as oxidation, turning the fruit brown.
3, chemical change
4, Bananas contain polyphenol oxidase and other iron-containing chemicals which react with the oxygen in the air when the cells are cut open. When exposed to the air, these chemicals react in a process known as oxidation, turning the fruit brown.
Explanation: