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प्रश्न
Fill in the Blanks:
______ is manmade compounds that have been widely used as refrigerants and in spray propellants and foam blowing.
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उत्तर
Chlorofluorocarbons is manmade compounds that have been widely used as refrigerants and in spray propellants and foam blowing.
संबंधित प्रश्न
Write the full name of CFC.
Fill in the following blank with suitable word :
Ultraviolet rays can cause skin..............
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 ozone layer, its depletion and effects of ozone depletion.
What is Ozone?
Discuss in detail the process of ozone depletion.
Number of Oxygen atom in Ozone.
Give Technical Terms:
The chemicals leading to the formation of ozone holes.
What is an ozone layer. State the distribution of the ozone layer in the stratosphere.
Give reason for the following:
Destruction of ozone layer is harmful for both humans and plants.
