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प्रश्न
Describe the methods of saving the ozone layer.
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उत्तर
Methods to protect the ozone layer:
- Using alternative products such as HCFCs (hydrochlorofluorocarbons)
- Montreal Protocol, an international treaty, helps prevent ozone depletion.
संबंधित प्रश्न
Fill in the following blank with suitable word :
Ultraviolet rays can cause skin..............
Explain how, harmful ultraviolet radiations of sunlight are prevented from reaching the earth's surface.
The gas A is used by most of the animals to obtain energy from food by the process of respiration. When A is acted upon by radiation X, it gets converted into another gas B which is an allotrope of A but poisonous when inhaled. B forms a kind of layer C in the upper atmosphere which absorbs radiations X coming from a source Y and prevent them from reaching the earth. Some chemicals Z released from the various devices on the earth are destroying the layer C slowly. In fact, a hole has already been formed in layer C over the area D of the earth.
(a) What are gases (i) A, and (ii) B? Write their molecular formulae.
(b) Name the layer C.
(c) What are (i) X, (ii) Y, and (iii) Z?
(d) Name the area D.
(e) Name any two human ailments which may be caused by X.
Explain what is smog. Give its effects.
Is ozone depletion related to global warming?
What is the difference between stratospheric and ground level ozone?
Ozone is abundant in this layer. Ozone heats this layer as it absorbs from incoming ultraviolet radiation from the sun:
What is an ozone layer. State the distribution of the ozone layer in the stratosphere.
State how CFCs break ozone in the stratosphere.
Which of the following radiations is responsible for the conversion of atmospheric oxygen to ozone?
