C402 - Mixtures
Quiz
•
Science
•
3rd Grade
•
Hard
Mr Boyle
FREE Resource
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23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which separation technique would be best to separate a mixture of sand and water?
Filtration
Evaporation
Chromatography
Distillation
Answer explanation
Sand is an insoluble solid, meaning that it won't dissolve in water. The particles are too large to pass through the filter paper, so they are separated.
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which separation techniques would work for separating a mixture of ink and water?
Filtration
Evaporation
Chromatography
Distillation
Answer explanation
You could choose either distillation (because of the difference in boiling points), or separate the substances based on their solubility using chromatography.
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which method would you use to separate a mixture of salt and water?
Filtration
Evaporation
Chromatography
Distillation
Answer explanation
You could use distillation (if you wanted to keep the water), or you could use evaporation to remove the water and be left with the soluble solid.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What separation technique would you use to separate a mixture of different colored dyes?
Filtration
Evaporation
Chromatography
Distillation
Answer explanation
Chromatography can separate soluble mixtures based on their solubilities.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which separation technique is used to separate a mixture of alcohol and water?
Filtration
Evaporation
Chromatography
Distillation
Answer explanation
Distillation can be used to separate different liquids based on their boiling points.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the best method to separate a mixture of gravel and sand?
Filtration
Evaporation
Chromatography
Distillation
Answer explanation
Filtration would be the best method as the smaller pieces of sand can pass through the gaps but the larger pieces of gravel get trapped behind.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which technique would be most effective to separate a mixture of sugar and water?
Filtration
Evaporation
Chromatography
Distillation
Answer explanation
Evaporation would be the best method as sugar is soluble and would therefore pass through filter paper as a solution with the water.
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