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प्रश्न
Ozone depletion is occurring widely in the stratosphere; it leads to an ozone hole caused mainly due to ______.
पर्याय
ethylene
methane
CFCs
CO2
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उत्तर
Ozone depletion is occurring widely in the stratosphere; it leads to an ozone hole caused mainly due to CFCs.
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संबंधित प्रश्न
The prime source of chlorofluorocarbons is ______.
Give one harmful effect of CFC.
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.
Which of the following harmful radiation is absorbed by the ozone layer of the stratosphere?
How is ozone formed in the upper atmosphere? State its importance. What is responsible for its depletion? Write one harmful effect of ozone depletion.
The chemicals leading to the formation of ozone holes.
True or False:
Ozone in the Troposphere is a harmful pollutant.
Ozone is abundant in this layer. Ozone heats this layer as it absorbs from incoming ultraviolet radiation from the sun:
State how CFCs break ozone in the stratosphere.
Which one of the following is measured in Dobson units (DU)?
