A pollutant is a substance that causes damage to air, water or land.

Carbon monoxide gas is toxic and produced by burning carbon with insufficient oxygen.

Soot consists of fine black particles of unburned carbon.

A catalytic converter is a device that can be fitted to car exhausts to change harmful carbon monoxide and nitrogen monoxide into carbon dioxide and nitrogen.

A catalyst is a substance that increases the rate of a reaction without being used up.

Atmospheric pollutants 

Chemistry

In the Industrial chemistry unit, pupils will learn about chemical, industrial, environmental and economic factors of some large-scale chemical processes.

In the Carbon Cycle and Climate Change unit, pupils learned about the carbon cycle, the formation of sedimentary rocks, and the impact of burning fossil fuels.

Atmosphere and changing climate

Name the pollutant which is a colourless, odourless and toxic gas produced by the incomplete combustion of a hydrocarbon fuel.

Which of the following are problems associated with carbon particulates?

Which of the following is a problem associated with carbon dioxide?

Which of the following pollutants form acids in water?

A {{}} is a device which can be fitted to car exhausts to change harmful carbon monoxide and nitrogen monoxide into carbon dioxide and nitrogen.

It releases more energy per kilogram of fuel.

The production of hydrogen can release carbon dioxide into the atmosphere.

Hydrogen needs to be stored in highly pressurised containers.

Which of the following are advantages of using hydrogen fuel in cars rather than petrol?

Which of the following is a potential source of pollutants?

Which pollutant does complete combustion release into the atmosphere?

When a fuel combusts, which gas from the air does it react with?

Which of the following pollutants are produced during the incomplete combustion of hydrocarbon fuels?

If a fuel containing sulfur reacts with oxygen, which of the following is a possible product?

What is the name given to a chemical that speeds up the rate of a reaction without being used up itself?

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