Shett answer type questions:
1. What is threshing? Why is it done? Name a machine that can be used for threshing.
What is
2. What is sedimentation? Explain stepwise how a mixture of sand and water can be separated using this method.
3. Name the conditions under which handpicking is preferred?
4. What is filtration? How is it useful at home?
5. Define evaporation? What is the most important use of evaporation?
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