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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.
पर्याय
Oxygen
Ozone
Carbon dioxide
उत्तर
Oxygen
APPEARS IN
संबंधित प्रश्न
How depletion of the ozone layer affect living organisms?
The harmful radiations absorbed by the ozone layer are ______.
How Ozone is Formed?
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.
How is ozone formed in the upper atmosphere? State its importance. What is responsible for its depletion? Write one harmful effect of ozone depletion.
Give Technical Terms:
The chemicals leading to the formation of ozone holes.
Name the chemicals responsible for destruction of the ozone layer. State the main chemical from these chemicals, which is responsible for more than 80% ozone depletion.
Select the correct answer from the following statement:
A chemical responsible for ozone depletion.
Very short answer type question
Where was the ozone hole discovered?
Long answer type question
Montreal protocol is an essential step. Why is it so?
