Science 6 - Mixtures Quiz

Which statement describes a colloid? The mixture is a colloid when_______________.

• solute is mixed with a solvent; the mixture becomes cloudy

• salt is mixed with water; the mixture becomes a clear liquid

• solvent is mixed with a solute; the mixture forms another material

• soil is mixed with water; sand and small stones settle at the bottom

What makes suspension different from a colloid and a solution? In a suspension, the solutes______________.

• float at the top

• float in a solvent

• settle at the bottom

• dissolve in a solvent

In the solution, what happens to the solute when mixed with the solvent?

• It forms another substance.

• It sinks at the bottom of the mixture.

• It floats and spread evenly in a solvent.

• It dissolves and spread evenly in a solvent.

In the three mixtures above, which shows even distribution of solutes dissolving in the solvent?

• colloid

• solution

• suspension

• None of the above.

In a salt solution, what is the solute?

• glass

• salt

• solvent

• water

Which of these materials dissolve in vinegar?

• corn paper

• mongo seeds

• palay grains

• salt

Why is water called a universal solvent? Water is a universal solvent because it__________________.

• is found anywhere on Earth

• flows well than any other liquid

• changes into solid, liquid and gas

• dissolves more solutes than any liquid

Which solid material dissolves fast in water?

• cornstarch

• powdered juice

• detergent soap

• soil

What does stirring do to instant powder juice when mixed with cold water?

• It allows the particles of juice to sink.

• It moves the cold water towards the juice.

• It allows the solid particles to float in water.

• It causes the juice to spread fast and get in contact with water.

In the solution below, what is the solvent?

• glass

• salt

• spoon

• water