A combination of two of more substances that are NOT chemically combined is a(n)
Mixtures are separated through __________ changes.
When two or more materials combine chemically they form a(n) ___________.
All solutions are __________, but not all of these are solutions.
List three methods to physically separate a mixture.
Which of the following is NOT true of solutions? a. The contain a dissolved substance called a solute. b. They are composed of two or more evenly distributed substances. c. They appear to be more than one substance
In a solution, the ________ is the substance that is dissolved.
In a solution, the _______ is the substance in which it is dissolved.
When two gases or two liquids form a solution, the substance that is present in the largest amount is the __________.
Salt is ______ in water because it dissolves in water.
A measure of the amount of solute dissolved in a solvent is called ____________.
The ability of a solute to dissolve in a solvent at a certain temperature and pressure is called ___________.
In our Dominade/Sodium Chloride experiment, which cup(s) had the highest concentration?
Solubility of solids in liquids tends to __________ with an increase in temperature.
In our Dominade/Sodium Chloride experiment, which cup(s) had the lowest concentration?
Which of the following does NOT describe a suspension? a. particles are soluble b. particles separate out over time. c. particles can block light d. particles scatter light
A mixture of two or more uniformly dispersed substances is called a ________.
A mixture in which particles of a material are more or less evenly dispersed throughout a liquid or a gas is called a ___________.
A mixture of particles that are large enough to scatter light but are not heavy enough to settle out is called a _____________.
Give two examples of colloids.
What city in south central Nebraska did Mrs. Parrish visit last weekend to see a large bird migration?
What is the common name of the large bird most likely to be seen in Nebraska during the large migration?
What river did Mrs. Parrish visit last weekend to see the large bird migration?
Sandhill cranes ___________ to communicate, socialize, and blow off steam.
What is the genus and species name of the lesser sandhill crane?
mixture
physical
compound
mixtures
Evaporation, filtering, magnet, distillation, or centrifuge
C. They appear to be more than one substance.
solute
solvent
solvent
soluble
concentration
solubility
cup 8 because all four scoops of Dominade dissolved in 10 drops of water.
increase
cups 1 and 4 because 1 scoop of each solute dissolved in 10 drops of water.
A. particles are soluble
solution
suspension
colloid
Kearney
Sandhill crane
The Platte River
dance
Grus Canadensis
