Advertisements
Advertisements
प्रश्न
______ was signed in 1987 to control emission of ozone depleting substances.
To control emission of ozone-depleting substances International Treaty was signed in 1987.
पर्याय
Kyoto protocol
Montreal protocol
Nagoya protocol
Cartagena protocol
Advertisements
उत्तर
Montreal protocol was signed in 1987 to control emission of ozone depleting substances.
APPEARS IN
संबंधित प्रश्न
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.
“Damage to the ozone layer is a cause of concern”. Justify this statement.
Explain what is smog. Give its effects.
Which Gas is present in large amount in the upper part of stratosphere.
State how CFCs break ozone in the stratosphere.
Select the correct answer from the following statement:
The gas which in presence of U.V. light gives two atoms of the same gas.
Name or state the following:
An atmospheric pollutant responsible for both global warming and ozone depletion.
Name or state the following:
The atom which reacts with oxygen to form ozone.
Depletion of ozone is mainly due to
Write the full form of CFCs.
