Mixtures Flashcards
(15 cards)
What is a mixture?
A mixture is a combination of two or more substances that retain their individual properties.
True or False: All mixtures are homogeneous.
False
What is a solution?
A solution is a homogeneous mixture where one substance is dissolved in another.
Fill in the blank: A solution consists of a _____ and a solvent.
solute
Give an example of a solution.
Saltwater
What distinguishes a suspension from a solution?
In a suspension, the particles are larger and can settle over time, while in a solution, the solute is completely dissolved.
True or False: Suspensions are homogeneous mixtures.
False
What is a colloid?
A colloid is a mixture where very small particles of one substance are evenly distributed throughout another substance.
Give an example of a colloid.
Milk
Which type of mixture scatters light: solution, suspension, or colloid?
Colloid
What is the Tyndall effect?
The Tyndall effect is the scattering of light by particles in a colloid or suspension.
Fill in the blank: Mixtures can be classified as _____ or heterogeneous.
homogeneous
What is an example of a heterogeneous mixture?
Salad
True or False: Colloids have larger particles than solutions but smaller than suspensions.
True
What happens to the particles in a suspension over time?
They can settle out and separate from the liquid.
