CO(2), CH(4), N(2)O and CFCs are called ...

`CO_(2), CH_(4), N_(2)O` and CFCs are called greenhouse gases because they can absorb:

X-rays radiation

Y-rays radiation

Ultraviolet radiation

Visible light radiation

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CO_(2), CH_(4), N_(2)O and CFCs are called greenhouse gases because they and emit:

CO_(2) acts as greenhouse gas because

Barbon dioxide, methane, nitrogen oxide and chlorofluorocarbons are called greenhouse gases because they can absorb:

N_2 and O_2 are the two main greenhouse gases.

Assertion : CO_2 and methane are called greenhouse gases. Reason : These - radiate heat and radiations cause global warming.

Assertion : Contribuition of CO_(2), CH_(4), CFCs " and " N_(2)O towards greenhouse effect is respectively 60%, 6 %, 14 % and 20 %. Reason : Greenhouse gases are radioactively active gases which prevent the short wavelength radiations emitted by earth to escape into space.

Assertion (A): Deforestation is one main factor contributing to global warming. Reason (R) : Besides CO_(2) , two other gases methane and CFCs are also included under greenhouse gases:

75% of the Solar Energy reaching Earth is absorbed by earth's surface which increases its temperature.The reat of heat rediates back to the atmosphere. Some of the heat is trapped by gases such as CO_(2), CH_(4), O_(3), CFCS present in atmosphere. They add to the heating of atmosphere which causes 'Global Warming'. Answer the following questions on the basis of above paragraph : (i)What is Green House effect ? (ii)What can we do to reduce the rate of Global Warming ?

The volume of gases H_(2), CH_(4), CO_(2) and NH_(3) adsorbed by 1 g of charcoal at 288K are in the order :

(CH_(3))_(2)C = O is called

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