1. what is Evaporation?
2. What is condensation ?
3. what is a saturated Solution ?
4. what is filtration?
5. what is decantation?
6. Define threshing?
7. Define winnowing?
8. What is sedimentation ?
9. what is sieving?
10. What is hand picking?
Answers
Answer:
1.) Evaporation is the process by which water changes from a liquid to a gas or vapour.
2.) Condensation is the process where water vapour condense to form liquid.
3.) A solution in which no more solute can be dissolved without raising temperature is called saturated solution.
4.) Filtration is a technique in which we use a porous material which allows small particles to go through and it acts as a barrier for the particles which are big in size.
5.) Decantation is a process for the separation of mixtures of immiscible liquids or of a liquid and a solid mixture such as a suspension.
6.) The process of separating the grains from the plants.
7.) Winnowing is a process by which chaff is separated from grain.
8.) The process of particles settling to the bottom of a body of water is called sedimentation.
9.) Sieving is a simple technique for separating particles of different sizes.
10.) The process used to separate slightly larger particles from a mixture by hand is called handpicking. For example, stone pieces can be separated from wheat or rice by handpicking.
Explanation:
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Answer:
answer 1 Evaporation is the process by which water changes from a liquid to a gas or vapor.
answer 2 Condensation is the process where water vapor becomes liquid. It is the reverse of evaporation, where liquid water becomes a vapor.
answer 3 A saturated solution is a solution in which tree's is so much some that it
there was any more, it would not dissolve. ... When water, or any solvent, has dissolved as much of any substance as it can, it is a saturated solution.
answer 4 filtration, the process in which solid particles in a liquid or gaseous fluid are removed by the use of a filter medium
answer 5 Decantation is a process for the separation of mixtures of immiscible liquids or of a liquid and a solid mixture such as a suspension. .
answer 6 Threshing” is the operation of separating the grains from the plants. These operations may be carried out in the field or on the threshing floor, by hand or with the help of animals or machines.
answer 7 Winnowing is a process by which chaff is separated from grain. It can also be used to remove pests from stored grain.
answer 8 Sedimentation is the deposition of sediments. It takes place when particles in suspension settle out of the fluid in which they are entrained and come to rest against a barrier.
answer 9 Sieving is a simple technique for separating particles of different sizes. A sieve such as used for sifting flour has very small holes.
answer 10 The process used to separate slightly larger particles from a mixture by hand is called handpicking.
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