Question

which of the following statement about ozone is true
1. ozone is highly reactive (c)
2. ozone is a major constituent of photochemical smog
3. ozone protect us from the harmful UV radiation of sun
4. all of above​

Answer 1

The correct answer to the given question is option number a and option number C. Show the correct answer is Ozone protect us from harmful ultraviolet rays and Ozone is a very reactive element.

Ozone forms layer above the atmosphere. This layer protect us from the harmful ultraviolet rays from entering into the earth. Ozone filters the harmful ultraviolet rays from entering into the earth. It thus protects the animals from skin cancer. Because ultraviolet rays causes skin cancer. Also Ozone is highly reactive element. Ozone on combination with various elements like chlorofluorocarbons forms are complex compound and breaks down from the original Ozone compound.

Answer 2

Option 4. is the true statement

All the above

Explanation:

• Atmosphere has different layers among which Ozone forms layer above the layer over the troposphere which is known as stratosphere or ozonosphere
• In the ozonosphere the important gas which is present is Ozone.
• This layer acts as protective shield which protect us from the harmful ultraviolet rays from entering into the earth.
• Option (a) Ozone is highly reactive element which can combine with various elements like chlorofluorocarbons.
• Option (b) It is the important element of photochemical smog.
• Option (c)It acts as filters which prevents the harmful ultraviolet rays from entering into the earth.
• It thus protects the humans and the animals from skin cancer. as ultraviolet rays can causes skin cancer.
• They  forms various complex compound and it breaks down from the original Ozone compound.

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