Identify the primary cause of global warming.

Emission of

C O_{2}

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Emission of

O_{2}

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Both a and b

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None of these

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Solution

The correct option is A Emission of $C O_{2}$
Global warming refers to a gradual rise in atmospheric and ground surface air temperature. Emission of Carbon dioxide is one of the primary cause of global warming. As this gas allows the shortwave incoming solar radiation but does not allow the longwave outgoing terrestrial infrared radiation to escape. Thus an increase of carbon dioxide gas also increases in temperature of the earth which causes global warming.

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Code:

Q. Identify the type of reaction and define it.

C H_{4} + O_{2} \to C O_{2} + 2 H_{2} O

Q. Assertion :We read in newspapers that burning of fuels is a major cause of global warming. Reason: Burning of fossil fuels is the main cause of

C O_{2}

and greenhouse gases.

Q. Identify the products of the reaction given below.

{CH}_{3} COOH + {Na}_{2} {CO}_{3} \to

Q. Increase in

C O_{2}

content in air causes global warming. Explain.

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