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- 1. Multiple Choice
What method of separating mixtures is shown in the picture?
filtration
distillation
physical manipulation
use of magnet
- 2. Multiple Choice
This involves using a strainer or a big screen to separate the components of solid mixtures.
chromatography
distillation
sieving
physical manipulation
- 3. Multiple Choice
This method is used to separate metals from non metals.
use of magnet
physical manipulation
sieving
chromatography
- 4. Multiple Choice
This technique is based on the differences of the boiling point of the substance in the mixture.
decantation
distillation
filtration
chromatography
- 5. Multiple Choice
This method is a technique used in separating a less-dense substance from a denser one.
decantation
evaporation
distillation
filtration
- 6. Multiple Choice
This method is useful in a pharmaceutical industry in determining the amount of each chemical in each product.
distillation
chromatography
sieving
decantation
- 7. Multiple Choice
This method is used in separating soluble solid from a liquid such as salt from water.
evaporation
distillation
decantation
filtration
- 8. Multiple Choice
This method is utilized in industries like junkyards to remove metal scraps from other materials.
chromatography
physical manipulation
use of magnet
distillation
- 9. Multiple Choice
Which environmental problems can be separated by physical manipulation?
garbage in the landfill
flood
global warming
contaminated rivers and lakes
- 10. Multiple Choice
Which method is helpful in determining the harmful components in food? (ex. melamine in food sample)
use of magnet
filtration
distillation
chromatography
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