3. What is sieving? Pebbles are separated from sand by using a large sieve at construction si
4. Explain how will you separate a mixture of chalk powder and water using a filter paper.
5. Explain the method that you would use to separate a mixture of water and cooking oil.
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Answers
Answer:
3. Sieving is the process of separating particles by size.
4. Chalk powder and water mixture is a suspension mixture. By suspension properties we can separate the mixture by filter paper. Do the following:-
- Take filter paper and chalk powder and water mixture.
- Pass the mixture from filter paper
- And you will be observing that the water and chalk powder was separate.
5. We can separate the mixture of water and cookoil by Extraction.
Extraction:- It is the method to separate two immiscible to separate the substance from one phase into the other.This method is base on density.
Answer:
Explanation:
It is easy to separate sand and water by filtering the mixture. Salt can be separated from a solution through evaporation. The water can also be recovered as well as the salt if the water vapour is trapped and cooled to condense the water vapour back into a liquid. This process is called distillation.