Advertisements
Advertisements
Question
Name or state the following:
An atmospheric pollutant responsible for both global warming and ozone depletion.
Advertisements
Solution
CH4 [methane].
APPEARS IN
RELATED QUESTIONS
Give one harmful effect of CFC.
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.
Why is ozone layer called ozone umbrella/shield?
What is Ozone?
Give Technical Terms:
The chemicals leading to the formation of ozone holes.
Give balanced equations for formation of ozone molecules from oxygen molecules. What type of reaction takes place, during the formation.
World Ozone day is celebrated on ______.
Write the full form of CFCs.
Which one of the following is measured in Dobson units (DU)?
