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Circle the letter of the best answer.
16. The insoluble substance from a lliquiidi müxture was separatied whereby a liquidi posses
througin the holes in a filter paper. The solid panflicles are left behind. Winant method of
separating mixture is used?
A decantation
C. filtration
B. evaporation
D. using magnet
17. A method of separating excess liquid from food by heafing.
A decantation
C. Filtration
B. evaporation
D. using magnet
18. Which of the following mixture can be separated by decantation?
A. Soy Sauce and salt
C. water and oil
B. soy sauce and vinegar D. water and flour
19. To separate rocks into different sized particles for road building and other construction
projects, which technique is applicable?
A. condensation
C. sieving
B. evaporation
D. using magnet
20. Which of these is NOT a technique in separating a mixture?
A. decantation
C. filtration
B. dissolving
D. evaporation​

Sagot :

Answer:

16.C

17.B

18.C

19.C

20.A

Explanation:

Thats all hope it helps

Answer:

16. C. Filtration

17. B. Evaporation

18. C. Water and oil

19. C. Sieving

20. B. Dissolving

Explanation:

16. Filtration can be defined as the mechanical or physical process used for the separation of one substance from another, such as solids, liquids, and gases, with the aid of an interposing medium like filter.

17. Evaporation is a technique used to separate out homogeneous mixtures. The process typically involves heating the mixture until no more liquid remains.

18. Decantation can be used to separate two liquids that have different densities as long as they are immiscible. For example, water and oil form two separate layers when mixed together. Water being denser settles at the bottom and oil floats on water, forming two distinct layers.

19. Sieving is a simple technique for separating particles of different sizes. A sieve such as used for sifting flour has very small holes. Coarse particles are separated or broken up by grinding against one another and the screen openings.

20. Dissolving is NOT a separation technique.

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