Question

Complete the table.
Method of
Separation
Which mixtures can be
separated using this method?
How is this method used for separating
the components of the mixtures?
Winnowing-
Handpicking-
Threshing-
Sleving​-

Answer 1

Answer:

winnowing-salt and sugar

handpicking-stones from rice

threshing-husk from grains

sieving-sand and gravel

Answer 2

Answer:

Winnowing- The method is used to separate lighter husk from heavier Grains ones by Wind. for e.g. wheat from husk.

Handpicking-This method can use to separate solid from solid by picking them with hands. For e.g.-small pebbles from rice or dal; grass from mint leaves.

Threshing- This method is generally used by farmers to separate the grains from the stalks after Harvesting. The dried stalks are beaten, Or threshed, to separate the grains.In Large farms it is done by machines, called threshers. For e.g.- rice or grain crops.

Sieving-A method, used to separate the different sized components of a mixture, by using an appropriate sieve. For e.g.- at home wheat flour from coarse particles, at construction sites sand from gravel and pebbles.