1. A technique used to separate big and fine components of a mixture.
A. Decantation
B. Evaporation
C. Filtration
D. Sieving
2. Which of the following methods is used to separate sand from gravel?
A. Decanting
B. Evaporation
C. Filtering
D. Sieving
3. Which of the following mixtures can be separated by filtration?
A. Dust particles in the water
C. Salt from salt solution
B. Needle from assorted buttons
D. Sand and gravel
4. This process involves separating insoluble solid from a liquid using a filter.
A. Filtering
B. Handpicking
C. Magnetizing
D. Sieving
5. Which of the following mixtures could NOT be separated through sieving?
A. Beans in flour
B. Coarse salt and iodized salt
C. Sand and gravel
D. Sugar dissolved in water
6. Ellen is baking a cake. One of the ingredients is flour. To be sure that the flour she is using is already pure and fine, Ellen should
A. pick up lumps using physical manipulation.
C. use filter paper to filter the flour.
B. use a sieve to break the lumps.
D. use magnets to break the lumps of the flour.
7. A technique used to separate components of different sizes, colors, or shape using hands.
B. Handpicking
A. Decantation
D. Sieving
C. Use of magnet
8. Which of the following is used to separate metal and nonmetal objects?
A. Decanting
B. Evaporation
D. Use of magnet
C. Filtering
9. Sharon wants to get the iron fillings out of some sand, what technique is best to use to separate these two solids? B. Evaporation
A. Decantation
C. Sieving
D. Use of magnet
10. Which of the following problems can be separated by physical manipulation? A. oil spill
B. garbage in the landfill
C. flood water
D. smog
11. Which process is essential in making clear water?
A. Decantation
B. Evaporation
D. Sieving
C. Filtration
12. Which of the following uses evaporation process?
A. Coffee making
B. Milk tea making
C. Salt making
D. Water purification
13. What is the separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid substance?
A. Decantation
B. Evaporation
D. Sieving
C. Filtration
14. In a coffee machine, the ground coffee is separated from the coffee solution by using a
A. filter paper
B. sandpaper
C. tissue paper
D. None of these
15. What advantages can we get from separating mixtures through picking? A. This method will need much effort. B. This method is possible only in large sizes.
C. It takes less time when used for a large quantity.
D. This method doesn't need any special machinery for the separation of substance. be following mixhumas Write Sieving
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Explanation:
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