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More Lessons for IGCSE Chemistry
Math Worksheets
A series of free IGCSE Chemistry Activities and Experiments (Cambridge IGCSE Chemistry).
Techniques For Metal Extraction
The following table shows how the method for the extraction of a metal depends on its position in the reactivity series.

The following video explains why it is necessary to use different techniques to extract iron from its ore and aluminium from its ore.
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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