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- 1. Multiple Choice
This technique is based on the differences of the boiling point of the substance in the mixture.
decantation
distillation
filtration
chromatography
- 2. Multiple Choice
This method is used in separating soluble solid from a liquid such as salt from water.
evaporation
distillation
decantation
filtration
- 3. Multiple Choice
Sand and gravel may be separated from each other through using..
a filter funnel
a sieve
an evaporating basin
a distillation
- 4. Multiple Choice
This type of paper allows liquid to pass through it. What tool is it?
sieve
filter
- 5. Multiple Choice
A solution of salt and water was put over heat. What will happen next?
The salt will evaporate
the salt and water evaporate
the water will evaporate
- 6. Multiple Choice
If I pour sand and water onto a filter, what will happen?
water and sand will go through the filter
sand will get caught in the filter, water will pass through
both sand and water will get caught in the filter
- 7. Multiple ChoiceWhich of the following pairs of substances may best be separated through distillationsand and soilwater and soilsalt and sandwater and alcohol
- 8. Multiple ChoiceWhich one of the following techniques would best be used to separate soil and water?DecantingdistillationFiltrationChromatography
- 9. Multiple ChoiceSodium chloride can be separated from rock salt by first adding water to the mixture to dissolve the sodium chloride. The separation then takes place in two stages:evaporation followed by filtrationdistillation followed by decantingfiltration followed by evaporationfiltration followed by decanting
- 10. Multiple ChoiceTwo or more substances mingled together, but not chemically combined are known as aresiduesolutiondistillatemixture
- 11. Multiple ChoiceIn the process of evaporation, which one of the following pieces of laboratory apparatus would NOT be used?filter funnelbunsen burnerevaporating basinwire gauze
- 12. Multiple ChoiceWater and alcohol are easily separated by distillation because of theirdifferent melting pointsdifferent coloursdifferent densitiesdifferent boiling points
- 13. Multiple Choice
The box labeled with "?" should be labeled:
precipitate
filtrate
solute
crystal
- 14. Multiple Choice
The salt crystal pictured above was obtained as:
a solution of salt water passed through filter paper
the water in a solution of salt water evaporated causing the salt to recrystallize
the dissolved salt boiled, condensed, & was collected in a separated container via distillation
- 15. Multiple Choice
A mixture can be separated by DISTILLATION because of differences in:
solubility
particle size
boiling point
density
- 16. Multiple ChoiceWhich mixture could you separate by adding water and then pouring through a coffee filter?sand and salt, because the salt would dissolve and the sand would notbaking soda and salt, because they both dissolvesugar and salt, because they both dissolveiron fillings and sand, because neither one dissolves
- Answer choicesTagsAnswer choicesTags