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Sulphur and Nitrogen Oxides

Electricity g...

Question

Electricity generated from fossil fuels such as coal and crude oil to run the industries leads to high concentrations of harmful gases in the atmosphere. This causes ozone layer depletion and global warming. What do coal and oil have in it that releases as oxides into the atmosphere?

A

Sulphur

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B

Magnesium

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C

Phosphorus

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D

Lead

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Solution

The correct option is A Sulphur
Sulphur combines to form sulphur dioxide in the air. 99% of the sulphur dioxide comes from human activities. Sulphur dioxide affects human beings, it causes irritation in the nose, coughing, wheezing and a tight feeling in the chest. Sulphur is present in coal and oil and sulphur dioxide is repsonsible for ozone layer depletion and global warming.

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Q. Electricity generated from fossil fuels such as coal and crude oil to run the industries leads to high concentrations of harmful gases in the atmosphere. This causes ozone layer depletion and global warming. What do coal and oil have in it that releases as oxides into the atmosphere?

Q. According to research done by environmental scientists, releases of huge quantities of greenhouse gases such as carbon dioxide is causing ozone depletion in the upper atmosphere. Due to ozone depletion, harmful rays will be able to enter the earth’s environment and this could cause serious immunodeficiency disorders in most mammals. Which of the following statements has been assumed to support the above argument?

Q. Assertion (A) : Ozone depletion leads to global warming.
Reason (R) : UV rays cause destruction of the ozone layer.

Q. Statement 1: Crude oil and coal are examples of fossil fuel.
Statement 2: Crude oil is formed as a result of the decomposition of dead sea organisms.

Q. The increase in Earths average surface temperature due to the effect of greenhouse gases such as

C O_{2}

and emissions from fossil fuel is known as global warming. What could be the effect of global warming?

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