Question

Long Answer Type Questions


6. Give reasons for the following:
(a) Tea granules are separated from tea.
(b) Small stones and husk are separated from dal or rice before cooking,
(c) Pebbles are separated from sand.
(d) After harvesting the crop, the farmer cannot separate husk from grains by handpicking,
(e) Water is called a universal solvent.
​

Answer 1

Answer:

1 tea granules from tea : filtration, in this type of seperation it include solid particle and liquid which can be seperated by using funnel.If we use a funnel the solid particles get stucked in it and hence get seperated

2 small stones from dal or rice : winnowing, it can be done by wind.which seperates heavier and lighter particles

3 pebbles are seperated from sand : hand picking

Answer 2

Answer:

filtration, winnowing, sieving,because water can dissolve with anything.