LEGIT 2025 OK Understanding Solutions QUESTIONS WITH CORRECT ANSWERS

Date Class



(NG, lesam |
Understanding Solutions
Write the letter of the correct answer on the line at the left.
letter-size paper.




1. _A Which of the statements about the 2 _C._ Brass is a solution in which a solid is
effect of solutes on solutions is true? dissolved in a(n)
(A Solutes raise-the-boiling-peint-of-a-solvent: A liquid
B Water with a solute dissolved in it will B gas
to copy onto




freeze at 0°C. ©solid
~C—Solutes.raise-the-freezing-point-of-a D water
~solvent:
1IN, In TNe corner or your copy machine




D Antifreeze boils at a lower temperature
than pure water.


3: _El Which of the following statements 4. L_ Which of the following statements
about solutions is NOT true? about the particles in a solution is true?
~A—Solutions-are-mixtures: A When an ionic solid mixes with water, its
Solutions contain a solvent dissolved in a ions repel water molecules.
solute. B When a molecular solid mixes with water,
-c—Avsolution-has the same-properties the covalent bonds are broken. )
UIE UOTE




“throughout: . When an ionic solid mixes with water,
D—Fhe-solute:in-a-solution-can-be-a-selie: water molecules surround each ion.
-liquid;-or gas. ; D When a molecular solid mixes with water,
1101




water molecules surround each ion.
away




If the statement is true, write true. If the statement is false, change the underlined word
LULIIEL, LIS LUTHEL




or words to make the statement true.

5. _L_l&___ I a suspension is allowed to stand, the particles settle out.


6. J&\L_ Solutions and colloids are similar in that both are-suspensions.
LIS UULILE




. omixtures
7. _ML_ The largest particles in a colloid are-smaller than the largest
particles in a solution. \o\wfll\f
fIUNE




8. _fliz-____ The freezing point of a solvent decreases as solute is added.

9. __fidLMeleeum compounds in water conduct an electric current.

e
0. _FaS€
Lowic gollosd
Acharacteristic property of a(n)solution is that it can scatter light.
|
e REN S H B e s E A R BRI R S S AR R A S R O S e

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y
ent.
lete each sta tem
Fill in the blank to comp
be dissOV
h more solute can
1. A solution in whic
solution
25009 grams of
O vedin in 25
50 gr am s of soluI te is diss_sed
whic h
2. A solution in B percent
o LU
en tr at io n of
conc
rated
, they usually
pecome unsatu
tions are M?fi
3. When satur ated solu nweate
|


solutions
solvents.
in j o5y
uml,mluuh usually dissolve
4. lonic and polar

y -8 solute
nged Dy AL
a solution ¢ an be cha
§. The concentration of PV TN



If the statement is false, cha
nge the underlined word
s tre 1e, wri te true .
If the statement
statement true
or words 10 make the
in a certain
a ttle solute is dissolved
TALDE. A solution in which only
6
SOWDION
is called .uru.wum
amount of solvent
A e
o ‘
a solution decreases, the
1&1 As the pressure of the gas over
7
solute in a liquid solvent-
snereases.
solubility of a gas ,‘ L 4 <


v of table sugar in water increases as the
] rul The solubilit
B
temperature increases
A A F,

i .
he solubiiity ’ of a gas dissolved "in a quid mereases 5 s the
9 AL2S
of the liquid increases
temperature


Three factor s that affectthe solubility ity ofof a subst, ance are
ctth
10. YA
type of solvent, and voRsne.
pressure, the v
' w
"

, -




Name Date Class



b L3
Describing Acids and Bases
Write the letter of the correct answer on the line at the left.

1: _&Which of the following is NOT a 2. Q Because it wears away certain
property of an acid? materials, an acid is described as
A An acid is corrosive. A concentrated
An acid turns red litmus paper blue. B contaminated
\!Q‘\\\ An acid reacts with metals and carbonates. @ corrosive
D An acid tastes sour. D carbonated


3. _D_Which of the following best describes 4. A Which of the following best describes
bases? acids?
~A—They-feelslippery-and-taste-sour. @They taste sour and react with metals.
‘B—They-turn-red-itmus-paper-blue-and-react «B—-They-taste bitter-and-react with
with.metals. -carbonates.
“&—They-taste-bitter-and-reactwith “&~They-feekslippery-and-turn-bluelitmus
-carbonates, ~paper red.
They turn red litmus paper blue and taste - *B--They-react with-metals-but not-with
bitter. «arbonates.


- Fill in the blank to complete each statement.

5. A compound that changes color when it comes into contact with an acid or a base
is a(n) \

6. A base _@Lfi_n_&_ react with carbonates.

If carbon dioxide gas is produced when dilute acid is applied to a rock’s surface,
the rock is most likely made of _luvne shone.

8. Because vinegar contains a(n) _ZA_Q_\L it tastes sour.


9. Many soaps and detergents contain __DASES

10. The acid in the human stomach that aids in digestion is _hlém_fihlo_t‘acdd.




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