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- 1. Multiple Choice
Which is the best way to get salt from salty water?
Evaporation
Filtration
Distillation
- 2. Multiple Choice
Pure water can be separated from inky water by simple distillation because:
Water and ink have different boiling points
Water evaporates leaving the ink particles behind
Ink evaporates leaving the water behind
- 3. Multiple Choice
What is the correct order for obtaining salt from a mixture of sand and salt?
Dissolving in water - filtration - evaporation
Evaporation - filtration - dissolving in water
Filtration - dissolving in water - evaporation
- 4. Multiple Choice
Which method is usually used to separate coloured substances from each other?
Simple distillation
Evaporation
Chromatography
- 5. Multiple Choice
How could you separate iron filings from a mixture of iron and sulfur?
Using a magnet
By adding water and filtering
By distillation
- 6. Multiple Choice
In filtration, what name is used to describe the solid left in the filter paper?
Filtrate
Residue
Distillate
- 7. Multiple Choice
If you wanted to make pure drinking water from sea water, what process would you use?
Filtration
Distillation
Evaporation
- 8. Multiple Choice
Crude oil can be separated into several liquids that have different boiling points. What is the name of this process?
Simple distillation
Chromatography
Fractional distillation
- 9. Multiple Choice
In chromatography, where are the spots of coloured substances placed?
Randomly on the piece of paper
In a vertical line on the paper
On a horizontal line on the paper
- 10. Multiple Choice
What is the name of the piece of paper at the end of a chromatography experiment?
Chromatogram
Filtrate
Residue
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