High School: 9th and 10th Grade - Chemistry - Chemistry - Fuels And Pollution Solution

Q.1.

One of the pollutants from burning fossil fuels is carbon dioxide. To which of the following environmental issues does it contribute?

Q.2.

What are biofuels?

Q.3.

Why is carbon dioxide from fossil fuels a particular issue?

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It is slightly radioactive
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It is more polluting than the carbon dioxide breathed out by animals
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Plants can't absorb it
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It was locked away millions of years ago and so is adding to that which is present in the air today

Q.4.

Why is burning biofuels less of a problem than burning fossil fuels?

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They don't produce any CO2 when they burn
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They are renewable and don't release carbon locked away millions of years ago
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They are cheaper and easier to produce when compared to fossil fuels
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All of the above

Q.5.

Which one of the following could be an argument against growing plants for biofuels?

Q.6.

Which impurity in fuels causes acid rain when it burns?

Q.7.

Which of the following is a balanced equation that shows how sulfur dioxide is formed?

Q.8.

Apart from sulfur, what else from burning fuels is a major contributor to acid rain?

Q.9.

Which of the following might be directly caused by burning fuels?

Q.10.

Which of the following products of burning fuels could be responsible for global dimming?