CTET 2 Math and Science 5 Jan 2022 Paper
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Question : 69 of 150
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Consider the following statements about ozone:
A. Ozone is formed at higher level of atmosphere by the action of UV rays on oxygen
B. It protects us from the harmful UV radiations which come from the sun.
C. Ozone is not different from oxygen
D. Breaking down Ozone into oxygen is not considered a chemical change
A. Ozone is formed at higher level of atmosphere by the action of UV rays on oxygen
B. It protects us from the harmful UV radiations which come from the sun.
C. Ozone is not different from oxygen
D. Breaking down Ozone into oxygen is not considered a chemical change
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