Question

D Long Answer Type Questions
Answer the following questions:
1. How will you obtain pure salt from its impure sample?
2. What is crystallisation? How will you prepare a big crystal of alum from powdered alum?
3. How will you separate a mixture of oil and water?
4. How is chromatography method helpful in separating coloured substances into their individual constituents?
5. Name the property of the component used for separating the following mixtures:
(a) lodine and common salt
(b) Coconut oil and water
(c) Sand, common salt and camphor
6. Why do we often need to separate mixture into their constituents?
7. Describe giving example, the following methods of separation of misure.
Sedimentation, Centrifugation, Loading and Winnowing 10 TTIVIT
8. Describe the processes used in the water supply system to make water safe for drinking.​

Answer 1

Answer:

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Explanation:

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