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Separating mixtures

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Harvey Buckle

on 1 November 2017

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Transcript of Separating mixtures

Groups and Separating mixtures
1st November 2017
To know the principles behind the separation of mixtures
To make a compound
To know the principles behind groups
Lets go!
Two immiscible liquids
Immiscible means that the liquids don't dissolve in each other – oil and water are an example. It is possible to shake up the liquids and get them to mix but they soon separate. Separating immiscible liquids is done simply using a separating funnel. The two liquids are put into the funnel and are left for a short time to settle out and form two layers. The tap of the funnel is opened and the bottom liquid is allowed to run. The two liquids are now separate.
Iron and sulphur
If we have a mixture of substances and we would like to REMOVE one of the substances, for example after a chemical reaction, we can use separation techniques to remove it.
We will try to separate Iron and Sulphur
What is a group?
A g___p in the p______c table is a -------l column of elements whihc have silmailar p_______s. This means they behave in a similar way in c_____ r_______. As we go down the group the way they react changes in strength.
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