Khối 8
Science 8
Chemistry
Unit 8. Mixtures
Solubility
Choose the correct answer.
A
solution contains more particles than a dilute solution
ciscous
hot
cold
concentrated
Giải thích
The correct answer
concentrated
ciscous
hot
cold
1/1
Choose the correct answer.
Sodium chloride is higher
than lead chloride
solubility
boiling point
melting point
Giải thích
The correct answer
solubility
melting point
boiling point
1/1
Choose the correct answer.
To compare the solubility of different solutes, we must measure how much of each solute will dissolve in
g of solvent
100
200
150
Giải thích
The correct answer
100
200
150
1/1
Choose the correct answer.
A concentrated sugar solution is prepared using a
amount of sugar
Lower
Pure
High
Giải thích
The correct answer
High
Lower
Pure
1/1
Choose the correct answer.
Solids that can dissolve in solvent are
.
insoluble
polar
soluble
Giải thích
The correct answer
soluble
insoluble
polar
1/1
Choose the correct answer.
Most solute dissolve more quickly when the temperature
.
doesn’t affect solubility
decreased
stays the same
increases
Giải thích
The correct answer
increases
decreased
stays the same
doesn’t affect solubility
1/1
Fill in the blank.
If no more solute can be added to the solution, we say the solution has been
Đáp án
If no more solute can be added to the solution, we say the solution has been
saturated
Giải thích
The correct answer
saturated
1/1