Question

A solid from a mixture of solids can be separated by-
(A) Hand picking
(B) Threshing
(C) Winnowing
(D) All of these​

Answer 1

Answer:

sublimation

The solid substance which undergoes sublimation is said to 'sublime'. The process of sublimation is used to separated those substances from a mixture which sublime on heating. The solid substance obtained by cooling the vapour is known as sublimate.

Answer 2

Answer:

D) all of these

is your answer hope this will help you

Explanation:

• Handpicking is a method to remove slightly larger impurities like pieces of dirt,stones and husk from wheat,rice and pulses by hand.

• Threshing is the process of separating the grain from the straw. It can be either done by hand, by using a treadle thresher or mechanized.

• Winnowing is a farming method developed by ancient people for separating grain from chaff. It is also used to remove weevils or other pests from stored grain. Threshing, which is the loosening of grain or seeds from the husks and straw, comes before winnowing.