right statement given below are incorrect write the correct statement the removal of husk from grain is by the process of sieving
Answers
Answer:
Separation of Substances
NCERT Solution
Fill in the blanks
The method of separating seeds of paddy from its stalks is called---------.
Answer: Threshing
When milk, cooled after boiling, is poured onto a piece of cloth the cream (malai) is left behind on it. This process of separating cream from milk is an example of -------
Answer: Filtration
Salt is obtained from sea water by the process of -------
Answer: Evaporation
Impurities settled at the bottom when muddy water was kept overnight in a bucket. The clear water was then poured off from the top. The process of separations used in this example is called------------
Answer: Sedimentation and decantation
True or false?
A mixture of milk and water can be separated by filtration.
A mixture of powdered salt and sugar can be separated by the process of winnowing.
Separation of sugar from tea can be done with filtration.
Grain and husk can be separated with the process of decantation
Explanation:
Why do we need to separate different components of a mixture? Give two examples.
Answer: A mixture may contain one or more unwanted substances which may be harmful. These impurities are harmful for our health so, we need to separate different components of a mixture. Examples: Pebbles are separated from rice and pulse. Petrol, diesel, kerosene, etc. are obtained from crude oil by a method called distillation.
What is winnowing? Where is it used?
Answer: The process of separation of grains from husk and hay with the help of wind is called winnowing. Farmers use this method for separating the grains from husk and hay.
Answer:
process of separating seeds is known as a separation.