What is filtration?
Filtration is a method for separating an insoluble solid from a liquid. When a mixture of sand and water is filtered by using filter paper. The sand stays behind in the filter paper (it becomes the residue ) the water passes through the filter paper (it becomes the filtrate).
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- Which of the following procedures will give you water free from all impurities?(a) Adding chlorine tablets (b) Distillation(c) Boiling (d) Filtration
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- True or false?(a) A mixture of milk and water can be separated by filtration.(b) A mixture of powdered salt and sugar can be separated by the process of winnowing.(c) Separation of sugar from tea can be done with filtration.(d) Grain and husk can be separated through the process of decantation.
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- A student, by mistake, mixed sulphur powder with iron filings. The following techniques were suggested to separate the sulphur from the mixture out of which he has to choose one :A. dissolving in carbon disulphide, filtration, evaporationB. dissolving in water at room temperature and filtrationC. dissolving in hot water, filtration and evaporationD. dissolving in ice cold water and filtrationThe correct technique is :(1) (A) (2) (B) (3) (C) (4) (D)
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