Winnowing
Trending Questions
Q.
Name the method of separation used to separate the husk from grains.
Q. What is the winnowing method? What is the fundamental principle involved in this method?
Q. Define the following with an example:
(i) Hand-picking
(ii) Winnowing
(iii) Threshing
(iv) Sieving
(i) Hand-picking
(ii) Winnowing
(iii) Threshing
(iv) Sieving
Q.
The method used by farmers to separate lighter husk particles from heavier seeds of grains is ___________
Q.
Explain how winnowing allows the grain to get separated from the husk.
Q.
Which separation technique will you apply for the separation of the following mixture?
Wheat grains from husk
Q. Which amongst the following method is used to separate husk from the barley?
- Winnowing
- Threshing
- Sieving
- Handpicking
Q. What is the winnowing method? What is the fundamental principle involved in this method?
Q. A mixture contains three different substances, X, Y and Z. They are of the same size, cubical in shape and yellow in colour. X particles are very heavy, insoluble, non-magnetic and contribute 50% of the mixture. Y particles are very light, insoluble, non-magnetic and contribute 40% of the mixture.
And Z particles are iron pieces. Which of the following methods can separate X, Y and Z?
And Z particles are iron pieces. Which of the following methods can separate X, Y and Z?
- Magnetic separation, Handpicking
- Sieving, Magnetic separation, Filtration
- Winnowing, Magnetic separation
- Handpicking , Sublimation, Sieving.
