Q6 of 10 Page 44

Is it possible to separate sugar mixed with wheat flour? If yes, how will you do it?

Yes. It can be done. Sugar can be separated from wheat flour by sieving. Sieving allows the fine flour particles to pass through the holes of the sieve while the bigger sugar particles remain on the sieve.


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What is sieving? Where is it used?

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How will you separate sand and water from their mixture?

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How would you obtain clear water from a sample of muddy water?

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Fill up the blanks:

(a) The method of separating seeds of paddy from its stalks is called ____.


(b) When milk, cooled after boiling, is poured onto a piece of cloth the cream (malai) is left behind on it. This process of separating cream from milk is an example of ____.


(c) Salt is obtained from seawater by the process of _____.


(d) Impurities settled at the bottom when muddy water was kept overnight in in a bucket. The clear water was then poured off from the top. The process of separation used in this example is called ____.