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Acids and Bases
Pearson Chapter 11 Acids, Bases, and Solutions Unit Test
Terms in this set (26)
Define and give an example of a suspension
A liquid mixture in which particles can be seen and easily separated by settling or filtration, such as sand and water.
The part of the mixture that is present in the smaller amount.
The part of the mixture that is present in the larger amount.
What is the difference between a solute and solvent in a solution?
The solute is the smallest amount in the mixture and the solvent is the larger amount in the mixture.
Name as many characteristic properties of an acid as you can.
Reacts with metals and carbonates, tastes sour, and turns blue litmus paper red.
If you needed to increase the solubility of sugar in water, what would you do?
You need to heat the water.
What is a saturated solution?
When no more solute will dissolve in your solution.
How do acids differ from bases in a water solution?
Acids form hydrogen ions while bases form hydroxide ions.
What does a neutralization reaction produce and what is it a reaction between?
It produces salt and water and it is a reaction between an acid and a base.
The "wearing away" of other materials.
What does the pH scale measure?
The potential of hydrogen or the concentration of hydrogen ions.
If I add sugar to water, which is the solvent and which is the solute. Explain.
The sugar is the solute and the water is the solvent. The least amount is the solute and the most amount is the solvent.
Define colloid and give an example
A mixture containing particles that are too small to be seen easily but are large enough to scatter a light beam. Examples are milk or fog.
What can you use to find the pH of a substance?
You can use pH paper.
How can a solute affect the properties of a solvent?
The solute can lower the freezing point or raise the boiling point.
Name as many characteristic properties of a base as you can.
Tastes bitter, feels slippery, and turns red litmus paper blue.
What kind of acid is in your stomach?
What would turn red litmus paper blue and is often found in cleaning agents?
A base. Remember Base is Blue on litmus paper.
A mixture containing a solvent and at least one solute and has the same properties throughout.
What is know as the universal solvent?
Tell the pH of the lemon and grapefruit juice and identify which one is more acidic.
Lemon is a 2 and the grapefruit juice is 2.5-3.5.
The lemon is more acidic because it has a 2.
If litmus paper (red or blue) were dipped in a solution of baking soda, what color would it turn and why? What is the pH of baking soda?
The blue litmus would stay blue and the red litmus would turn blue because baking soda is basic. The pH of baking soda is 8.5.
What is the pH of liquid drain cleaner? Is this an acid or base? What could it do to you if it got on your skin?
The pH is 14. This is a base. It could cause irritation to your skin.
What was the pH of distilled water? How did that differ from the other items that you tested?
The pH of distilled water is 7. It is considered neutral. The other items were either acidic or basic.
List all the acids from your lab. What makes them an acid?
These are acids because they range on the pH scale from 0-6. POP, HYDROCHLORIC ACID, LEMON JUICE, WHITE VINEGAR, SHAMPOO, HYDROGEN PEROXIDE
List all the bases from your lab. What makes them a base?
These are bases because they range on the pH scale from 8-14. AMMONIA, BLEACH, DRANO, TEA.
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