What could it be?
Acids
Bases
Solutions
You tell me
100
A liquid mixture in which particles can be seen and easily separated by settling or filtration is a
Suspension
100
When you add so much solute that no more dissolves, you have a Saturated or Unsaturated Solution?
Saturated Solution
100
The pH scale measures what?
The concentration of hydrogen ions.
100
How would a solute affect the boiling point of water? A. The water will boil at a lower temperature B. The water will boil at a higher temperature
B. The water will boil at a higher temperature
100
True or False: Bases feel slippery and taste sour.
False - bitter not sour.
200
How is a solute different from a solvent in a solution?
The solute is present in a smaller amount
200
In a water solution, how do acids differ from bases? A. Hydrogen ions (H+) remain dissolved, but hydroxide ions (OH-) do not. B. Acids form hydrogen ions (H+), while bases form hydroxide ions (OH-)
B. Acids form hydrogen ions (H+), while bases form hydroxide ions (OH-)
200
What does a neutralization reaction produce?
Water & a salt
200
When a solute is added to a solvent, the freezing point of the solution is A. higher than the freezing point of either substance alone B. lower than the freezing point of either substance alone.
B. lower than the freezing point of either substance alone.
200
True or False: Bases form hydrogen ions (H+) when dissolved in water.
False - Hydroxide Ions (OH-)
300
When a solid compound dissolves in water, a. it always conducts electricity. b. each of its particles becomes surrounded by water molecules
b. each of its particles becomes surrounded by water molecules
300
Neutralization is a reaction between a(n)?
Acid & a base
300
When a few spoonfuls of sugar are mixed into a cup of water, sugar is the A. Solvent B. Solute
B. Solute
300
True or False: The products of a neutralization reaction are acids & bases.
False - water & salt.
300
Acids are ______________________, which means that they "eat away" at other materials.
Corrosive
400
Which is a characteristic property of acids? A. They turn blue litmus paper red. B. They turn red litmus paper blue. C. They taste bitter. D. They do not react with metals.
A. They turn blue litmus paper red.
400
Acids are described as corrosive because they? A. taste bitter B. "wear away" at other materials
B. "wear away" at other materials
400
A mixture containing particles that are too small to be seen easily but are large enough to scatter a light beam is called a __________________________ A. Suspension B. Base C. Colloid
C. Colloid
400
True or False: Among the factors that affect the solubility of a substance are type of solvent, pressure & time.
False - Temperature not time
400
A(n) _______________ is a compound that turns red litmus paper blue & is often found in soaps & detergents. A(n) ________________ is a compound that tastes sour & reacts with some metals.
1. Base 2. Acid
500
What is one way to increase the solubility of sugar in water? A. Increase the amount of sugar B. Decrease the amount of water C. Cool the water D. Heat the water
D. Heat the water
500
In water, bases form ___________________ A. Hydroxide Ions B. Hydrogen Ions
A. Hydroxide Ions
500
You can find the pH of a substance by using? A. Plain Paper B. Conductivity Test C. Litmus Indicator
C. Litmus Indicator
500
True or False: To help identify rocks, geologists use the properties of acids.
True
500
A(n) ________________ is a mixture containing a solvent & at least 1 solute & has the same properties throughout.
Solution