Important Questions with solution

Q1: What is saturated solution?

Ans: The solution in which no more substances can be dissolved in the amount of water we have taken. The solution is now said to be saturated solution.

Q2: What is the used of separated husk of wheat grain?

Ans :  separated husk of wheat grain is used for many purposes such as fodder for cattles.

Q3: What makes the winnowing success?

Ans: The wind makes the winnowing success.

Q4: What is used to thresh large quantities of grain.

Ans: threshing machine.

Q5:  What kinds of elements of mixture can be separated by hand picking method?

Ans: This method of handpicking can be used for separating slightly larger sized impurities like the pieces of dirt, stone, and husk from wheat, rice or pulses.