SELECT * FROM question_mgmt as q WHERE id=6326 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=10 AND subId=16 AND chapterId=158 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 6th science Separation of Substances fill up the blanks a the method of separating s

Question:

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 a bucket. The clear water was then poured off from the top. The process of separation used in this example is called ___________.

Answer:

(a) Threshing

Threshing is the method of separation which is used to separate the grains from the stalk of the plant. In this method, stalks are beaten on the hard surface like drum or it can also be done by machines.

(b) Filtration

Filtration is the method of separation which is used to separate pure solution from the impure ones or from the larger particles.

(c) Evaporation

It is the process in which water evaporates from the sea water or we can say water converts into vapours.

(d) Decantation

Decantation is the method of separating two immiscible components from each other.


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