When a banana is left outside for few days there is a change in its colour i.e. there are black patches on its surface . this is a kind of chemical change . since there is a change in physical appearence also does that mean a chemical change can also bring physical change ???
Dear student
Bananas change its colour in few days because it contains an enzyme called polyphenol oxidase which reacts with oxygen and coats the banana with a sort of rust that accounts which is dark brown in color. This enzyme is also found in apples, potatoes, and pears. So if bananas left outside it will begin to turn into a brown color in few days.
When a chemical reaction occurs in any of the compounds, there is a change in physical properties also.
Regards
Bananas change its colour in few days because it contains an enzyme called polyphenol oxidase which reacts with oxygen and coats the banana with a sort of rust that accounts which is dark brown in color. This enzyme is also found in apples, potatoes, and pears. So if bananas left outside it will begin to turn into a brown color in few days.
When a chemical reaction occurs in any of the compounds, there is a change in physical properties also.
Regards