OCR Twenty First Century Chemistry
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Which chemicals make up air, and which ones are pollutants? How do I make sense of data about air pollution?
What chemical reactions produce air pollutants? What happens to these pollutants in the atmosphere?
What choices can we make personally, locally, nationally or globally to improve air quality?
How do we measure the properties of materials and why are the results useful?
Why is crude oil important as a source of new materials such as plastics and fibres?
What were the origins of minerals in Britain that contribute to our economic wealth?
Where does salt come from and why is it so important?
Why do we need chemicals such as alkalis and chlorine and how do we make them?
What are the patterns in the properties of elements?
How do chemists explain the patterns in the properties of elements?
How do chemists explain the properties of compounds of Group 1 and Group 7 elements?
What types of chemicals make up the atmosphere?
What types of chemicals make up the Earth’s lithosphere?
How can we extract useful metals from minerals?
Chemicals and why we need them
Planning, carrying out and controlling a chemical synthesis
Green chemistry
Alcohols, carboxylic acids and esters
Energy changes in chemistry
Reversible reactions and equilibria