You are given the mixture of iron filings, ammonium chloride and sand. Explain how would you separate them?
Asked by Topperlearning User | 22nd Dec, 2014, 10:40: AM
Iron fillings are separated from the mixture by using a magnet. A magnet is moved on the surface of mixture. Iron fillings cling to the poles of the magnet and get separated.
Ammonium chloride is separated by sublimation. Heat the mixture of ammonium chloride and Sand in a china dish. By heating the mixture, ammonium chloride changes into vapours and is separated out. Sand does not change into vapours on heating, so it remains behind in the china dish.
Answered by | 22nd Dec, 2014, 12:40: PM
- What is mixture?
- With the help of a labeled diagram, describe in brief an activity to show sublimation of CAMPHOR.
- With the help of a labeled diagram, describe in brief an activity to show sublimation of camphor
- How will you separate iron filings and sugar from their mixtures?
- What is fractional crystallisation? Give an example of a mixture that can be separated using this method.
- Describe the process for separation of a mixture of common salt and ammonium chloride?
- Name any four solid substances which do not undergo sublimation.
- Name any four substances which undergo sublimation.
- Give two examples where the solids undergo sublimation at room temperature.
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