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The aim of this investigation is to analyse mummion, which is an inorganic solid that is obtained from dried up lake beds.

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Introduction: Aim: The aim of this investigation is to analyse mummion, which is an inorganic solid that is obtained from dried up lake beds. Risk assessment: Equipment Hazard Precaution Action to be taken in case of accident Hydrochloric acid Irritant if the concentration is high Avoid using strong concentrations Wash your hands thoroughly and then tell the teacher Poisonous gas If this is inhaled, this can cause you to die Leave it in the fume cupboard and then allow the gas to be given off in there Take it back to the fume cupboard and inform teacher as soon as possible Weighing scale Can cause electrocution Keep away from any kind of spillages and water Inform your teacher Spillages Can cause someone to slip Clean up any types of spillages Seek medical help and inform teacher Glassware Break glassware Handle with care Inform teacher. Clean up broken glass with dustpan and dispose off. Wipe up spillages immediately Bunsen burner Might burn yourself Always keep on safety flame when not in use Inform teacher and seek medical help Mummion Spits out when being boiled Wear goggles and ...read more.


First of all complete an appropriate risk assessment. 2. Collect all the apparatus you require for this experiment. 3. Weigh out around 5g of your impure sample of mummion using a weighing scale. 4. Then add your weighed sample to 100cm3 of distilled water in a conical flask. 5. Then stir and dissolve the Mummion, leaving the sand and iron (III) oxide as insoluble solids. 6. Then use filtering paper to filter the mixture to remove all the insoluble impurities. 7. Next, boil the filtrate which then is a colourless solution of mummion, in an evaporating basin until when there's only about 15cm3 remain. Take precautions as the solution may spit out when being boiled. 8. Let the solution cool down when there's white crystals of mummion remaining in the basin. 9. Then remove the crystals from the liquid by filtration and then dry them on a filter paper in air. Flame test: 1. Using a tong the wire loop was dipped into hydrochloric acid 2. This wire loop contaminated with hydrochloric acid is then held in the blue flame of the Bunsen burner. ...read more.


was present A dense white ppt was formed with this solution Sulphate was present Conclusion: By looking at the results that I obtained for the flame test I can say that there was chloride present as the flame turned to an orangey/yellow colour. By looking at the results that I have obtained for the carbonate anion test, I can see that there was not a carbonate anion present as the test resulted negative. My halide ion test results show me that the halide ion that was present was bromide. When testing for halide ion, it was really hard to tell what halide ion was actually present as there was a creamy white ppt formed. Iodine is shown but it's actually bromide. I can also conclude that there was not a carbonate anion present in the mummion. By looking at the result that I gained for the sulphate test I can see that sulphate was present in the mummion as the test was positive for sulphate as a white precipitate had formed in the test tube. ?? ?? ?? ?? The Purification and the qualitative Analysis of Mummion ...read more.

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