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WorksheetsSeparating Mixture
Total questions: 20
Worksheet time: 10mins
If I wanted to make mixture of coffee and milk more concentrated I would add more
coffee because it's the solvent
coffee, because its the solute
Milk because it's the solute
Milk because it's the solvent
To separate a mixture of sand and water, I could use a filtration set up.
True
False
In a filtration set up, what do we call the substance left behind on the filter paper?
Filter Funnel
Filtrate
Conical Flask
Residue
Which separation technique is being shown here?
Distillation
Chromatography
Centrifugation
Magnetic separation
This technique uses EVAPORATION and CONDENSATION to separate a salt water solution. What is this technique called?
Distillation
Chromatography
Magnetic Separation
Filtration
Quinn comes home from the beach with a mixture of iron filings, sand and salty water. What are the correct steps to separate each component?
use a magnet, use filtration, use evaporation
use evaporation, use a magnet, use filter
Set up distillation equipment
use chromatography
Which of the following terms describes a mixture in which particles are evenly distributed and dissolved?
Homogenous
Heterogenous
Suspension
Colloid
Which of the following is not a mixture?
Air
Gold
Saltwater
milk
Diffusion of food dye happens more quickly in hot water because
Hot water particles have low energy
Hot water particles have more energy
Food dye particles expand
Food dye particles melt
Which of the following is a correct statement about distillation
The components of the mixture have different densities
The components of the mixture have different melting points
The components of the mixture have different boiling points
The components of the mixture form a heterogeneous mixture
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
Dissolving in water – evaporation - filtration
The formation of pure solid particles of a substance from a solution is called
filtration
crystallization
distillation
chromatography
Which of these is an evidence that physical change naturally happens in nature?
formation of acid rain
rusting of metal due to acid rain
formation of clouds in the stratosphere
production of sugar in plants
A substance is soluble if it can be dissolved.
In paper chromatography, the most soluble solute _____________________ .
travels furthest away from the start point
does not move from the start point
stays closest to the start point
can be found in the middle of the chromatogram
.
What is chromatography?
A way to see pretty colors
A form of distillation
A laboratory technique used to separate a mixture.
Fractional distillation separates crude oil based on the different __________ of the molecules in the mixture
melting point
boiling point
freezing point
chemical reactivity
