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1. Iron filing can be separated through ________. * a. picking b. scooping c. sieving d. use of magnet
2. Hanna is asked to cook rice by her mother. She notice small stones in the rice. What technique she should use to separate rice and small stones? a. decantation b. evaporation c. filtration d. picking
3. Magnet is used to attract _______ away from the mixture. a. non-metals b. metals c. plastic materials d. materials made of cloth
4. You want to clean your aquarium at home. What technique will you use to remove the water? a. decantation b. evaporation c. filtration d. sieving
5. Gasoline and water can be separated through ______. * a. decantation b. evaporation c. filtration d. use of magnet
6. Which of the following mixtures could not be separated into its components by decanting? a. camote in hot water b. sand in water c. rice in water d. coffee in hot water
7. It is the technique used to have clean drinking water.
a. sieving b. evaporation c. filtration d. decantation
8. Boiling water to remove the salt from the water is an example of what type of separation of mixture? a. use of magnet b. scooping c. picking d. evaporation
9. What is being applied to a mixture in the process of evaporation for it to separate the soluble solid like salt and water? a. use strainer b. use magnet c. use a scoop d. use heat
10. When can filtration technique be used? * a. to separate solid from liquid b. to separate mixture of salt and water c. to separate liquid from liquid d. to separate sand and gravel
1. D use of magnet 2. A decantation 3. D materials 4. B evaporation 5. C filtration 6. C rice 7. C filtration 8. B scooping 9. D use heat 10. B to separate mixture of salt and water
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