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WorksheetsMixture
Total questions: 60
Worksheet time: 31mins
1. Which of the following substances is insoluble in water?
salt
stone
sugar
Vinegar
2. Homogeneous mixtures have uniform composition where the substances are evenly mixed. They are also called ___________.
solution
solubility
What type of solution is air?
gas
solid
liquid
What is the example of emulsion?
Fog
Smoke
Whipped cream
salad dressing
Milk is a heterogeneous mixture.
True
False
Which of these statements correctly describes a mixture? A mixture is ___________.
Composed of different substances.
Made up of different elements and compounds.
A combination of two or more substances that are chemically combined.
A combination of two or more substances that are physically combined.
Which of these is a mixture?
Sugar
Water
Carbon dioxide
Air
Which of these materials is a solvent?
Cornstarch
Flour
Sugar
Water
Which is NOT a heterogeneous mixture?
Fruit Salad
Pencils and pens
Marbles and Pebbles
Vinegar
You mix the oil and water. Which statement best describes heterogeneous mixture?
The mixture is completely mixed.
You cannot see the oil in the mixture.
The liquids did not mix but formed two layers.
The mixture became a solution.
Which of the following is an example of a heterogeneous mixture?
How are suspensions and colloids different?
Suspensions settle out and colloids do not settle.
Colloids settle out and suspensions do not settle.
Suspensions dissolve and colloids do not.
Colloids dissolve and suspensions do not.
Which statement below does NOT describe a colloid?
A colloid is a type of heterogeneous mixture
A colloid is a type of solution.
The particles in a colloid do not settle like they do in a suspension.
The particles in a colloid do not dissolve – they are just too small to be seen.
In a solution, it is the substance that is being dissolved.
Solute
Suspension
Colloid
Solvent
This is a mixture of two or more substances in which one or more of these substances (solutes) is dissolved in another substance.
compound
element
solution
heterogeneous mixture
8. What is the difference between a heterogeneous mixture and a homogeneous mixture?
You cant see the parts in a heterogeneous mixture, but you can in a homogeneous mixture.
You can see the parts in heterogeneous mixture, but you cant see them in a homogeneous mixture
A 3 in 1 coffee sachet contains coffee, sugar, and creamer. Thus, making it heterogeneous. When hot water is poured, it turns into a homogeneous mixture. What idea supports this occurrence?
The components of 3in1 coffee dissolve in hot water.
The components of 3in1 coffee dissolved in hot water taste sweet.
The components of 3in1 coffee form a two-layer liquid.
The components of 3in1 coffee can be separated.
Which is regarded as the universal solvent?
Water
Acetone
Paint
Soy Sauce
Which is TRUE about solubility?
The higher the liquid temperature, the faster a solute can be dissolved in a solvent.
The nature of the solute and the amount of solvent can determine how fast the solute dissolves in a solvent.
The manner of stirring is a factor in dissolving a solute in a solvent.
All of the above
What is a COLLOID?
It is a liquid and heavy mixture.
It is a mixture that completely dissolves but some particles settle down.
It has the ability to scatter light.
All of the above
Which solvent has the ability to remove nail polish?
Thinner
Acetone
Cuticle remover
Bleach
Which colloid can protect and beautify?
Ink
Paint
Insecticide Spray
Creams
To get the smaller particle size of flour for baking, leave larger particles of flour in the sifter above the screen. What kind of separating of mixture it is?
Sifting
Decantation
Magnetic separation
Evaporation
To separate the rice hulls from grains, which process or separating of the mixture is applicable?
Filtering
Evaporation
Winnowing
Decantation
What ancient technique of separating of mixtures is shown in the picture?
Threshing
Winnowing
Evaporation
Distillation
What household activities does sieving useful?
baking cake
cooking rice
cleaning the toilet
washing the dishes
Which of the following describes Winnowing?
separating lighter components from heavier components with the help of blowing wind.
separating miscible from immiscible components by letting the immicible components float.
separating magnetic from non magnetic components using magnet.
separating bigger and smaller substances using sieve.
Which method of separating mixtures can be used in this picture?
Distillation
Magnetism
Physical Manipulation
Decantation
Which of the following mixtures can be separated using Decantation?
Linda is cooking rice for dinner. Her mother asked her to washed the rice grain before she put it into fire. What separation of mixtures she should use?
Evaporation
Distillation
Chromatography
Decantation
Which of the following can be separated by distillation?
Which of the following methods of separation are we going to use to separate two liquids with different boiling points?
Magnetic Separation
Filtration
Evaporation
Distillation
What statements best describes Decantation?
separating liquids with different boiling points
separating solid and liquid substances using a filter
separating a mixture of a liquid and a heavier solid
separating non-metals to metal substances
Which technique use to separate substances that dissolved in water?
Decantation
Physical Manipulation
Evaporation
Chromatography
What is the difference between filtration and Sieving?
Filtration is separating liquid from solid components while sieving is separating solid mixtures with different particle size.
Filtration is separating solid mixtures with different sizes while sieving is separating liquid from solid components.
Filtration is separating magnetic from non-magnetic substances while sieving is separating immiscible from non-miscible mixtures.
Filtration is separating liquids with different boiling points while sieving is separating liquid from solid substances using filter.
Which involves separating of mixtures from sieving?
brewed coffee
iron filings from sand
gravel from sand
sugar and water
It is the water (liquid) that has been run through the filter.
sieve
funnel
filtrate
residue
What do you call the particles that are removed from the water by a filter?
sieve
filtrate
impurities
residue
How do you separate oil and water using decantation method?
strainer
filter paper
separating funnel
big screen
It can be used to sort scrap metal from other materials.
magnets
giant electromagnet
magnetism
electromagnetic field
It involves separating a mixture based on different sizes of components.
Decantation
Sieving
Use of Magnets
Filtration
It is a technique in which an insoluble solid is separated from a liquid.
Filtration
Sieving
Decantation
Use of Magnets
James wants to seperate the salt from the water in his glass of salt water. What seperation method should James use?
Magnets
Evaporation
Filter
Using his hands
Nicole wants to dissolve a substance in water. Which substance will dissolve the easiest?
Rocks
sugar
pepper
sand
What item could a magnet separate from a mixture of garbage?
Old metal fork
An apple core
Pieces of paper
A juice can
This method is a technique used in separating a less-dense substance from a denser one.
decantation
evaporation
distillation
filtration
This method is used in separating soluble solid from a liquid such as salt from water.
evaporation
distillation
decantation
filtration
This type of mixture contains two or more substances that are visibly distinguishable
Homogeneous
Heterogeneous
Solution
Colloid
Is a mixture that has uniform composition throughout.
Homogeneous
Heterogeneous
Solution
Colloid
When sugar dissolves in water, the two substances appear as one. The sugar particles can no longer be identified. However, the taste of the water proves that the sugar was not lost after mixing. Its chemical property is retained and so the water taste sweet. What kind of solution is this?
Solid in liquid
Solid in solid
Liquid in liquid
A. Gas in liquid
Homogeneous mixture has the same properties. It means that the substances mixed thoroughly and after stirring, it appeared as one substance. You can no longer distinguish one component from the other. What is the other term for homogenous mixture?
Solution
Dissolution
Solute
Solvent
A sugar solution is prepared by adding dissolving sugar in water. Sugar solution consists of two components, namely, sugar and water. Which is solute?
Water
Sugar
Solution
Components
2. From what mixture do oxygen , carbon dioxide and nitrogen came from ?
Gas in liquid
Gas in gas
Solid in liquid
Liquid in liquid
Let us assumed that the composition varies from one region to another, with at least two phases that remain separate from each other, with clearly identifiable properties. This is a heterogeneous or ___ mixture?
uniform
dissolution
Non-uniform
Solution
There are five kinds of solution. Gas in liquid is one of it, therefore, which of the given example is one of the solution?
Air and water
Cola or Soft drink
Oxygen and salt
Rocks and solvent
Homogeneous mixture has the same properties. It means that the substances mixed thoroughly and after stirring, it appeared as one substance. You can no longer distinguish one component from the other. What is the other term for homogenous mixture?
Solution
Dissolution
Solute
Solvent
