5. Separating Rock Salt Crush Rock Salt Add Water Filter mixture Evaporate Water Salt is left behind
6. Uses of Salt Pure Salt Rock Salt De-icing Roads Electrolysis Food use, dyeing, dishwasher salt, preservatives, bath salts Solvay Process Sodium Carbonate Making glass, soaps, paper, dyes Hydrogen – fuel, making margarine Sodium Hydroxide - making paper, soaps, fibres, detergents Chlorine – killing germs in water, bleaches
![Elements, mixtures and compounds By the end of the lesson you should be able to: ,[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/elements-mixtures-and-compounds-1199711371180161-3/85/Elements-Mixtures-And-Compounds-1-320.jpg)
![Starter ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],THIS PICTURE IS AN ELEMENT BECAUSE ALL THE ATOMS ARE THE SAME](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)