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How would you prove that breaking down of ozone layer and the process of photosynthesis are Chemical changes?

How would you prove that breaking down of ozone layer and the process of photosynthesis are Chemical changes?
 
 

Grade:7

1 Answers

Debarati
105 Points
2 years ago
When O3 (Ozone) is broken down into O2 (Oxygen), the chemical composition of the molecules change. During the process of photosynthesis, H2O (Water) and CO2 (Carbondioxide) in the presence of sunlight changes into C6H12O6 (Glucose). Once again, there is a change in the chemical composition of the substance. Thus, both these processes are chemical changes.

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