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Course: HIA International — Grade 7
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Curriculum

HIA International — Grade 7

Unit 1: Breathing and respiration

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Unit 2: Dissolving, solubility and chromatography

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Unit 3: Forces, motion and pressure

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Unit 4: Ecosystems

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Unit 5: Atoms, purity and climate

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Unit 6: Light and objects in space

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Unit 7: Nutrition, health and movement

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Unit 8: Energy changes and reactions of metals

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Unit 9: Magnetism and electromagnets

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Quiz

Dissolving – Quiz

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Dissolving HIA Science quiz: free practice for HIA International. Work through this Dissolving HIA Science quiz and get instant feedback on every answer. If you get stuck, review the 11.1 Dissolving – Notes lesson. More practice: HIA International — all units. Syllabus: Cambridge Lower Secondary programme.

  • Questions count: 50
  • Passing grade: A-
  • Time limit:
Start Quiz
1.
Match the term to its correct meaning: mixture
able to be seen through - every solution is transparent
the substance that dissolves, such as the sugar in sugary water
what a solution is - two substances mixed but not chemically joined
the mixture made when a solute dissolves in a solvent
2.
Instant coffee in hot water is melting. - True or false?
True
False
3.
All solutions are opaque. - True or false?
True
False
4.
The sugar crystal is visible because each single sugar particle is large enough to see. - True or false?
True
False
5.
Match the term to its correct meaning: solvent
not able to be seen through, which is how you can tell milk is not a solution
the substance that the solute dissolves into, such as the water in sugary water
what a solution is - two substances mixed but not chemically joined
the substance that dissolves, such as the sugar in sugary water
6.
Ice cream melting on a warm day is dissolving. - True or false?
True
False
7.
The substance that a solute dissolves into is called the solution. - True or false?
True
False
8.
Match the term to its correct meaning: dissolving
able to be seen through - every solution is transparent
what a solution is - two substances mixed but not chemically joined
the substance that dissolves, such as the sugar in sugary water
what happens when a solute spreads out among the particles of a solvent
9.
Which term is described as: what happens when a solute spreads out among the particles of a solvent?
solution
solute
dissolving
transparent
10.
Which term is described as: the substance that the solute dissolves into, such as the water in sugary water?
solvent
opaque
transparent
solute
11.
When sugar dissolves, the sugar is still there - its particles have spread out among the water particles. - True or false?
True
False
12.
Match the term to its correct meaning: solute
the substance that dissolves, such as the sugar in sugary water
not able to be seen through, which is how you can tell milk is not a solution
what happens when a solute spreads out among the particles of a solvent
the substance that the solute dissolves into, such as the water in sugary water
13.
When salt dissolves in water, the total _____ of the solution stays the same.
volume
colour
mass
temperature
14.
The sugar crystal is visible because it is made of many groups of particles packed tightly together. - True or false?
True
False
15.
Which term is described as: the substance that dissolves, such as the sugar in sugary water?
solute
solvent
solution
transparent
16.
Ice cream melting on a warm day is melting, not dissolving. - True or false?
True
False
17.
The substance that dissolves is called the _____.
solution
mixture
solvent
solute
18.
Which practical work belongs to Dissolving?
Plan, measure, tabulate, graph and evaluate an investigation
Use a baseline, suitable solvent and careful measurement to compare inks or dyes
Measure masses/volumes and identify variables affecting the amount dissolved
Compare materials that dissolve in water and record observations systematically
19.
When sugar dissolves, the sugar disappears and no longer exists. - True or false?
True
False
20.
Dissolving needs two substances: a solute and a solvent. - True or false?
True
False
21.
Dissolving needs only one substance. - True or false?
True
False
22.
Which term is described as: what a solution is - two substances mixed but not chemically joined?
solvent
mixture
dissolving
solution
23.
Water particles bump into the sugar particles and help to separate them. - True or false?
True
False
24.
Butter melting in a frying pan is melting, not dissolving. - True or false?
True
False
25.
The substance that dissolves is called the solute. - True or false?
True
False
26.
Milk is not a solution because it is _____.
cold
transparent
opaque
white
27.
Transparent means the solution must be colourless. - True or false?
True
False
28.
The mass of a salt solution is less than the mass of the salt plus the water. - True or false?
True
False
29.
The substance that a solute dissolves into is called the solvent. - True or false?
True
False
30.
Butter melting in a frying pan is dissolving. - True or false?
True
False
31.
Match the term to its correct meaning: transparent
what happens when a solute spreads out among the particles of a solvent
able to be seen through - every solution is transparent
the mixture made when a solute dissolves in a solvent
not able to be seen through, which is how you can tell milk is not a solution
32.
The substance a solute dissolves into is called the _____.
solute
crystal
solvent
solution
33.
A solution is a mixture. - True or false?
True
False
34.
All solutions are transparent. - True or false?
True
False
35.
Which term is described as: the mixture made when a solute dissolves in a solvent?
solution
solvent
dissolving
solute
36.
A solution is a type of _____.
element
crystal
compound
mixture
37.
Nail polish dissolving in nail polish remover is melting. - True or false?
True
False
38.
Instant coffee in hot water is dissolving, with coffee as the solute. - True or false?
True
False
39.
The mass of a salt solution equals the mass of the salt plus the mass of the water. - True or false?
True
False
40.
The substance that dissolves is called the solvent. - True or false?
True
False
41.
Match the term to its correct meaning: solution
the substance that dissolves, such as the sugar in sugary water
the mixture made when a solute dissolves in a solvent
what happens when a solute spreads out among the particles of a solvent
able to be seen through - every solution is transparent
42.
Milk is a solution because it is a liquid. - True or false?
True
False
43.
Which term is described as: able to be seen through - every solution is transparent?
solution
transparent
dissolving
solute
44.
A solution is a pure element. - True or false?
True
False
45.
Nail polish dissolving in nail polish remover is dissolving. - True or false?
True
False
46.
Every solution can be seen through, which means every solution is _____.
opaque
solid
coloured
transparent
47.
Which term is described as: not able to be seen through, which is how you can tell milk is not a solution?
transparent
dissolving
opaque
mixture
48.
Milk is not a solution because it is opaque. - True or false?
True
False
49.
Transparent does not mean colourless - a copper sulfate solution is blue and still transparent. - True or false?
True
False
50.
Match the term to its correct meaning: opaque
the substance that dissolves, such as the sugar in sugary water
what a solution is - two substances mixed but not chemically joined
the substance that the solute dissolves into, such as the water in sugary water
not able to be seen through, which is how you can tell milk is not a solution
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Part of Unit 2: Dissolving, solubility and chromatography — see every lesson and quiz in this unit.
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