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Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Consider the following statements about ozone:

Select the correct statement/s

A

1 and 3 only
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B

1 and 2 only
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C

2 and 3 only
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D

1,2 and 3
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Solution

The correct option is A
1 and 3 only
<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Ozone is present naturally in Earth’s atmosphere.
It contains three atoms of oxygen. (Triatomic)
It is an unstable molecule.
It can be broken down through its interaction with man-made compounds in the upper atmosphere.
It is the stratospheric ozone which blocks the harmful UV rays.

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