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Separation Of A Mixture of Salt, Sand and Iron Filings

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´╗┐Separating a mixture Abstract: A mixture of sand, salt and iron is separated. A magnet is used to extract the iron filings, and water is added to the mixture so that it can be filtered to extract the sand. Overall, the separation is not perfect, but most of each substance is extracted. Introduction: A number of physical processes can be used to separate mixtures. A mixture is a combination of substances which can be in varying quantities and are not bound chemically (unlike a compound). Some metals are magnetic, meaning that they can be turned into or attracted to magnets. ...read more.


Aim: The aim of this experiment is to completely separate each substance in the mixture. Hypothesis: I predict that the majority of the iron will be collected by the magnet, but not all, and that most of the sand will be left as residue when filtered. This will leave the salt-water solution as the filtrate, and separate from the sand and iron which was present in the original mixture. Therefore, these processes will not be entirely accurate, but will separate most of the substances from the mixture. Materials: 1. Iron filings 2. Sand 3. Sodium chloride (salt) ...read more.


5. The filter paper was then folded and placed in a funnel above a beaker, and the mixture was poured into the paper. 6. After being left for a minute to allow all of the liquid to be filtered, the salt water and sand was left. 7. To further your experiment, you could heat the salt water to evaporate the water and salt would be left. 8. The results were recorded. Conclusion: The separation of each component of the mixture was not perfect, but overall went well. The results were quite close to my hypothesis, as the separation was good, but not perfect. The majority of each component of the mixture was successfully extracted, and the mixture was separated. Overall, the experiment was successful, but not completely accurate. ...read more.

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