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प्रश्न
Select the correct answer from the following statement:
The gas which in presence of U.V. light gives two atoms of the same gas.
विकल्प
Oxygen
Ozone
Carbon dioxide
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उत्तर
Oxygen
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संबंधित प्रश्न
Ozone depletion is occurring widely in the stratosphere; it leads to an ozone hole caused mainly due to ______.
The prime source of chlorofluorocarbons is ______.
Which radiations are absorbed by ozone layer?
What would happen if the ozone layer in the atmosphere completely disappears?
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.
What would be the effects on widening of ozone hole?
Why is ozone layer called ozone umbrella/shield?
Describe the methods of saving the ozone layer.
Global warming is a phenomenon related to ______.
Why was there a sharp in the amount of ozone in the atmosphere in 1980’s.
