Khối 8
Science 8
Chemistry
Unit 8. Mixtures
Solutions
Choose the correct answer.
Milk is not (a)
.
opaque
drink
solution
liquid
Giải thích
The correct answer
solution
opaque
liquid
drink
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Choose the correct answer.
Salt and sugar are
.
Solution
Solvent
Solute
Solubility
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Solute
Solubility
Solution
Solvent
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Choose the correct answer.
A glass of water with salt is called
.
Solvent
Solution
Dissolution
Solute
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Solution
Solute
Solvent
Dissolution
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A coloured solute will give a
solution
Colorless
Coloured
Decolored
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Coloured
Decolored
Colorless
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Complete the sentence.
The conservation of mass:
mass of
+ mass of solvent = mass of solution
Đáp án
The conservation of mass:
mass of
solute
+ mass of solvent = mass of solution
Giải thích
The correct answer
solute
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Choose the correct answer.
A pinch of salt disappearing in water is called
.
Consolidation
Disappearance
Resolving
Dissolving
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Dissolving
Disappearance
Resolving
Consolidation
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Choose the correct answer.
All solutions are
.
colored
transparent
viscous
opaque
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transparent
opaque
colored
viscous
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Complete the sentence.
10 g of salt is dissolved in 50 g of water, the mass of the solution is
g
Đáp án
10 g of salt is dissolved in 50 g of water, the mass of the solution is
60
g
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60
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Complete the sentence.
In a solution of sugar and water, sugar is the
Đáp án
In a solution of sugar and water, sugar is the
solute
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solute
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Complete the sentence.
Salt dissolve in water because water molecules bump to the salt molecules and
them
Đáp án
Salt dissolve in water because water molecules bump to the salt molecules and
separate
them
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The correct answer
separate
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Write the correct answer:
If a solution is transparent, this means that you can
through them
Đáp án
If a solution is transparent, this means that you can
see
through them
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see
1/1
Choose the correct answer.
The
of mass indicates that no mass is lost when solution is formed.
Condensation
Conservation
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Conservation
Condensation
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Write the correct answer:
Water is a
Đáp án
Water is a
solvent
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solvent
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