Chapter 3 Study Guide Acids and Bases 8 th Grade
Chapter 3 Study Guide Acids and Bases 8 th Grade.
Jan 19, 2016
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Chapter 3 Study GuideAcids and Bases
8th Grade
A mixture in which particles can be seen and easily separated by settling or filtering is a
Suspension
A neutral solution has a pH of
7
A base (properties of bases)
Does not react with carbonates.
Solutes lower the freezing point of water by.
making it harder for water to form crystals.
A polar solvent will most likely dissolve
polar solute
Sodium hydroxide, potassium hydroxide, and magnesium hydroxide all produce hydroxide ions in water and are therefore
Bases.
If you add a small amount of hydrochloric acid to 4 liters of water, what type of solution would you expect to have?
Dilute solution
The pH scale
Measures the concentration of hydrogen ions.
Neutralization
Is a reaction between an acid and a base.
The pH in the digestive system is highest in the
Small intestine
If you add solute to a dilute solution, the solution becomes more ________ solution.
concentrated
Acids are described as being ________, because they dissolve some metals.
corrosive
A(n) ______ is a substance that turns different colors in an acid or a base.
indicator
A(n) _________is a mixture containing small, undissolved particles that do not settle out.
colloid
The process of chemical _______breaks down the complex molecules of food into smaller molecules.
Digestion
When a base reacts with an acid, water and a(n) salt forms.
When acids react with carbonate compounds, carbon dioxide forms.
A(n) acid forms hydrogen ions when it dissolves in water.
The solvent is the part of a solution present in the largest amount.
Solutes increase the boiling point of a solvent.
Essay: Pick one topic. Write a paragraph with complete, well written sentences. This question is worth 5 points!
* What happens to the particles of a solid solute when the solute is dissolved in a solvent?
* Why must the pH values of the mouth, stomach, and small intestine be different?
*In what two ways is adding antifreeze to the water in a car radiator useful?
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