Class 6 Science Curiosity Methods Of Separation In Everyday Life
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Q: What method is used to separate small stones and husk from wheat and rice?
A: Handpicking
Q: What is threshing?
A: The process of separating grains from the stalks by beating them
Q: What is winnowing?
A: The method of separating heavier and lighter components of a mixture by wind or by blowing air
Q: What tool is traditionally used for winnowing?
A: A soop (bamboo tray)
Q: What is sieving used for?
A: To separate components of a solid-solid mixture that have different sizes
Q: How is common salt obtained from seawater?
A: By evaporation of seawater in shallow pits exposed to sunlight and air
Q: What is sedimentation?
A: The process of settling down of heavier insoluble components at the bottom of a liquid
Q: What is decantation?
A: The process of removing water (liquid) by tilting the vessel after sedimentation
Q: What is filtration?
A: The process of separating insoluble solid components from a liquid using a filter
Q: What are some materials that can be used as filters?
A: Filter paper, cotton, charcoal, and sand
Q: How is butter separated from curd?
A: Through the process of churning
Q: What is magnetic separation?
A: The separation of magnetic and non-magnetic substances using a magnet
