CBSE Class 9 Chemistry Separation of Solid Mixtures
- 1}which one of the following is not a heterogenous mixture a]air b]brass c]iodised table salt d]steel
- Give reason Twovarieties of wheat flour cannot be separated by seveing
- 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.
- You are given the mixture of iron filings, ammonium chloride and sand. Explain how would you separate them?
- Describe the process for separation of a mixture of common salt and ammonium chloride?
- Name any four solid substances which do not undergo sublimation.
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