Question

Please Answer This I Will Give You Points​

Answer 1

1. Threshing and winnowing
2. Filtration
3. Weeding
4. Rubbing & then Winnowing
5. Decantation
6. Evaporation

Key points, to remember -

• Threshing - This is the loosening of the crop from the husks and straw. Wind winnowing is an agricultural method that is developed by ancient cultures used for separating grain from the chaff.

• Winnowing - This process is used for the separation of grains from straw with the help of wind. It is the simplest form that involves throwing the mixture into the air so that the wind can blow the lighter chaff away.

• Weeding - It refers to removal or cutting down of unwanted plants or weeds. It is necessary because they affect the growth of the plant and also the nutrients supplied to the soil.

• Decantation - It is defined as the separation process in which two immiscible liquids are separated. This is done by pouring out the clear upper layer of liquid. Separation of a mixture of oil from water is an example of decantation.

• Evaporation - It is the process of conversion of water into vapour. It is the method of separation in which liquid (solvent or organic solvent) evaporates and leaves the solid residue behind.
• Filtration - It is defined as the separation process in which insoluble impurities are separated from the solution. Filtration is done with the help of filter paper.

Hope, my answer is enough to make you clear!

Happy Learning! :D

Answer 2

Answer:

1.Threshing and winnowing

2.water filtration method

3.weeding

4.Threshing

5.Decantation

6.Evaporation

Explanation:

1) The method of separation used to separate sunflower seeds from their dry flower is called Threshing and Winnowing.

2. The method of separation used to separate fine wood ash suspended in Water Filtration Method.

3. The method of separation which is used to separate weeds from beans is known as Weeding.

4.The method of separation used to separate mustard seeds from their pods is known as Threshing.

5.The method of separation used to separate water from rice that has been washed is known as Decantation.

6.Evaporation is used to separate a soluble solid from a liquid.

Hope it helps u!!

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