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Breaking Bad > Chapter 5 Test > Flashcards

Chapter 5 Test Flashcards

1
Q

How is a solute different from a solvent in a solution

A

The solute is present in the smaller amount

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2
Q

How can a scientist safely tell whether an unknown solution is salt in water or
sugar in water

A

by testing the electrical conductivity of the solution

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3
Q

When a solid compound dissolves in water….

A

each of its particles becomes surrounded by water molecules

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4
Q

Weak tea is an example of a…

A

dilute solution

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5
Q

What are the properties of acids

A

reacts with metals and carbonates, tastes sour, and turns blue litmus paper red

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6
Q

How do you increase the solubility of a substance

A

pressure, type of solvent, and temperature

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7
Q

What is a likely use for a base

A

making soaps and detergents

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8
Q

When you add so much solute that no more dissolves, you have a

A

saturated solution

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9
Q

In a water solution, how do acids differ from bases

A

Acids form hydrogen ions (H+), while bases form hydroxide ions (OH–)

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10
Q

Neutralization is a reaction between a

A

acid and a base

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11
Q

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

colloid

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12
Q

Ionic and polar compounds ____________________ in water because water molecules are
polar

A

dissolve

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13
Q

Acids are ____________________, which means that they “eat away” at other materials

A

corrosive

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14
Q

In your stomach, ____________________ acid helps with digestion

A

hydrochloric

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15
Q

A(n) ____________________ is a compound that turns red litmus paper blue and is often
found in soaps and detergents

A

base

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16
Q

True or False: The products of a neutralization reaction are acids and bases

A

F, water and a salt

17
Q

True or False: Among the factors that affect the solubility of a substance are type of
solvent, pressure, and time.

A

F, temperature

18
Q

True or False: To help identify rocks, geologists use the properties of acids.

A

True

19
Q

True or False: Bases feel slippery and taste sour

A

F, bitter

20
Q

True or False: Bases form hydrogen ions (H + ) when dissolved in water.

A

F, hydroxide ions (OH–)

21
Q

What are the differences among solutions, colloids, and suspensions

A

Solutions: contains small particles that are too small to see
Colloid: contains particles that are larger
than the particles in a solution but
smaller than the particles in a
suspension. The particles in a colloid
are still too small to be seen easily,
but are large enough to scatter a light
beam.
Suspension: contains undissolved particles that are large
enough to see and can settle out

22
Q

Describe how particles of table salt (an ionic compound) and table sugar (a molecular
compound) differ in the way they dissolve in water.

A

When table salt dissolves in water,
the water molecules surround and
separate the ions from each other.
The salt crystal breaks up, forming
positive and negative ions in the
solution. When table sugar dissolves
in water, the sugar molecules separate from one another and become
surrounded by water molecules, but no ions form

23
Q

If you mix an acid and base (for example: Ammonia and Vinegar) what does it become

A

a neutral salt with a pH closer to 7

24
Q

What is an indicator

A

a compound that changes colour when in contact to an acid (red > blue) or base (blue > red)

25
Q

What ion makes litmus paper blue when in contact with a base

A

Hydroxide

26
Q

What ion makes litmus paper red when in contact with an acid

A

Hydrogen

27
Q

What is a solute

A

the substance dissolved by the solvent

28
Q

What is a solvent

A

the part of a solution present in the largest amount

29
Q

What is a colloid

A

a mixture containing small, undissolved particles that don’t settle out

30
Q

What is a suspension

A

a mixture in which particles can be seen easily separated by settling or filtration

31
Q

What is a dilute solution

A

a mixture with little solute

32
Q

What is a concentrated solution

A

a mixture with a lot of solute

33
Q

What is solubility

A

a measure of how much solute you can add to a solvent

34
Q

What is a saturated solution

A

The limit of how much solute you can add to a solution

35
Q

What does corrosive mean

A

something that can wear away other materials

36
Q

What do acids taste like

A

Sour

37
Q

What do bases taste like

A

bitter

Breaking Bad (8 decks)

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