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NCERT VI Social Sciences

Fill in the blanks:

(a) The method of separating seeds of paddy from its stalk is called ________.
(b) When milk is cooled after boiling and poured on a piece of cloth, 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 a bucket. Clear water was then poured from top. The process of separation used in this example is called _________.

Answer :

asif2
1   threshing 
2  filtration
3  evaporation   and 
4  decantation .......... 
(a) The method of separating seeds of paddy from its stalk is called threshing.
(b) When milk is cooled after boiling and poured on a piece of cloth, cream (malai) is left behind on it. This process of separating cream from milk is an example of 
filtration.
(c) Salt is obtained from seawater by the process of evaporation.
(d) Impurities settled at the bottom when muddy water was kept overnight in a bucket. Clear water was then poured from top. The process of separation used in this example is called decantation. 

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