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answer back

Focus on the basics

Many basic and essential concepts appear regularly in AS and A2 chemistry topics. Hopefully you recognise them and use the opportunities to strengthen your understanding, knowledge and exam technique. Retention of the basics will help you to analyse questions set in less familiar contexts

The action of heat on limestone forms calcium oxide, which can be used for making cement

This ‘Answer back’ addresses the following A-level topics:

• bonding and structure

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Previous

Molecular crossword

Next

Dealing with significant figures

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