E. Answer the following in short.
1. Differentiate between a pure substance and a mixture.
2. What happens when carbon disulphide is added to a mixture of iron filings and sulphur?
3. Differentiate between handpicking and sieving.
4. What is winnowing?
5. What is sublimation?
6. Differentiate between sedimentation and decantation.
7. What is filtration?
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1. pure substance consists only of one element or one compound. a mixture consists of two or more different substances, not chemically joined together.
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