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Course: HIA International — Grade 8
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HIA International — Grade 8

Unit 1: Photosynthesis and the carbon cycle

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Unit 2: Properties of materials

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Unit 3: Forces and energy

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Unit 4: Maintaining life

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Unit 5: Reactivity

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Unit 6: Sound and space

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Unit 7: Genes and inheritance

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Unit 8: Rates of reaction

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Unit 9: Electricity

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Quiz

Simple chemical reactions – Quiz

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Simple chemical reactions HIA Science quiz set 2: free practice for HIA International. Work through this Simple chemical reactions HIA Science quiz set 2 and get instant feedback on every answer. If you get stuck, review the 26.3 Simple chemical reactions – Notes lesson. More practice: HIA International — all units. Syllabus: Cambridge Lower Secondary programme.

  • Questions count: 50
  • Passing grade: A-
  • Time limit:
Start Quiz
1.
Which statement correctly describes reduction?
a container from which nothing can escape, used to show conservation of mass
the reaction of a substance with oxygen giving out energy
the loss of oxygen by a substance
an equation with the same number of each kind of atom on both sides
2.
Use the table. A student heated 10.0 g of calcium carbonate in an open tube. Why did the mass fall to 5.6 g?
The balance was wrong
Calcium escaped as a gas
Carbon dioxide gas escaped from the tube
Mass was destroyed in the reaction
3.
Which statement correctly describes reactant?
a substance formed in a reaction
an element usually showing typical metallic properties
a gas giving a squeaky pop with a lighted splint
a starting substance in a reaction
4.
Which statement correctly describes combustion?
the reaction of a substance with oxygen giving out energy
the loss of oxygen by a substance
a container from which nothing can escape, used to show conservation of mass
the breaking down of a compound by heating
5.
Which statement correctly describes closed system?
the loss of oxygen by a substance
a container from which nothing can escape, used to show conservation of mass
the reaction of a substance with oxygen giving out energy
the breaking down of a compound by heating
6.
Which statement correctly describes oxidation?
a container from which nothing can escape, used to show conservation of mass
the gain of oxygen by a substance
the breaking down of a compound by heating
the loss of oxygen by a substance
7.
Which statement correctly describes thermal decomposition?
the reaction of a substance with oxygen giving out energy
an equation with the same number of each kind of atom on both sides
the breaking down of a compound by heating
a container from which nothing can escape, used to show conservation of mass
8.
Which statement correctly describes product?
a starting substance in a reaction
an element usually showing typical metallic properties
a gas giving a squeaky pop with a lighted splint
a substance formed in a reaction
9.
Which statement correctly describes conservation of mass?
a container from which nothing can escape, used to show conservation of mass
an equation with the same number of each kind of atom on both sides
the principle that the total mass of the products equals the total mass of the reactants
the loss of oxygen by a substance
10.
Match the term to its correct meaning: balanced equation
the loss of oxygen by a substance
the principle that the total mass of the products equals the total mass of the reactants
an equation with the same number of each kind of atom on both sides
the breaking down of a compound by heating
11.
Match the term to its correct meaning: oxidation
the loss of oxygen by a substance
an equation with the same number of each kind of atom on both sides
the principle that the total mass of the products equals the total mass of the reactants
the gain of oxygen by a substance
12.
Which term is described as: the principle that the total mass of the products equals the total mass of the reactants?
conservation of mass
closed system
thermal decomposition
reduction
13.
Which term is described as: a starting substance in a reaction?
product
metal
hydrogen
reactant
14.
Which term is described as: the loss of oxygen by a substance?
thermal decomposition
reduction
oxidation
conservation of mass
15.
Which term is described as: a substance formed in a reaction?
reactant
hydrogen
product
metal
16.
Match the term to its correct meaning: conservation of mass
the principle that the total mass of the products equals the total mass of the reactants
the reaction of a substance with oxygen giving out energy
the gain of oxygen by a substance
a container from which nothing can escape, used to show conservation of mass
17.
Which term is described as: the gain of oxygen by a substance?
thermal decomposition
conservation of mass
oxidation
reduction
18.
Which term is described as: an equation with the same number of each kind of atom on both sides?
closed system
balanced equation
oxidation
thermal decomposition
19.
Match the term to its correct meaning: combustion
the principle that the total mass of the products equals the total mass of the reactants
an equation with the same number of each kind of atom on both sides
a container from which nothing can escape, used to show conservation of mass
the reaction of a substance with oxygen giving out energy
20.
Match the term to its correct meaning: thermal decomposition
the principle that the total mass of the products equals the total mass of the reactants
the breaking down of a compound by heating
the gain of oxygen by a substance
the loss of oxygen by a substance
21.
Which term is described as: the breaking down of a compound by heating?
thermal decomposition
closed system
oxidation
conservation of mass
22.
Which term is described as: the reaction of a substance with oxygen giving out energy?
reduction
oxidation
combustion
balanced equation
23.
Match the term to its correct meaning: closed system
the reaction of a substance with oxygen giving out energy
a container from which nothing can escape, used to show conservation of mass
an equation with the same number of each kind of atom on both sides
the principle that the total mass of the products equals the total mass of the reactants
24.
Which term is described as: a container from which nothing can escape, used to show conservation of mass?
closed system
combustion
reduction
conservation of mass
25.
Breaking a compound down by heating is thermal _____.
insulation
expansion
decomposition
conduction
26.
Heating copper carbonate gives copper oxide and _____.
oxygen
water
hydrogen
carbon dioxide
27.
The gain of oxygen is called _____.
reduction
displacement
oxidation
neutralisation
28.
The mass of products equals the mass of _____.
gases
water
products
reactants
29.
In a reaction atoms are _____, not created or destroyed.
melted
multiplied
rearranged
removed
30.
The loss of oxygen is called _____.
oxidation
corrosion
combustion
reduction
31.
Oxidation is the loss of oxygen. - True or false?
True
False
32.
A closed system can be used to show that mass is conserved. - True or false?
True
False
33.
Oxidation is the gain of oxygen. - True or false?
True
False
34.
A balanced equation has more atoms on the product side. - True or false?
True
False
35.
Reduction is the gain of oxygen. - True or false?
True
False
36.
Mass is genuinely destroyed when a gas escapes from an open container. - True or false?
True
False
37.
In a combustion reaction the fuel is oxidised. - True or false?
True
False
38.
Atoms are created and destroyed in a chemical reaction. - True or false?
True
False
39.
Mass appears to increase when magnesium burns because oxygen joins it. - True or false?
True
False
40.
A closed system makes mass disappear. - True or false?
True
False
41.
A balanced equation has the same number of each kind of atom on both sides. - True or false?
True
False
42.
Heating copper carbonate gives copper and oxygen. - True or false?
True
False
43.
The total mass of the products is always less than that of the reactants. - True or false?
True
False
44.
Thermal decomposition breaks a compound down by heating. - True or false?
True
False
45.
Thermal decomposition builds a compound up by cooling. - True or false?
True
False
46.
In a combustion reaction the fuel is reduced. - True or false?
True
False
47.
Reduction is the loss of oxygen. - True or false?
True
False
48.
Heating copper carbonate gives copper oxide and carbon dioxide. - True or false?
True
False
49.
Atoms are rearranged in a chemical reaction, not created or destroyed. - True or false?
True
False
50.
Mass appears to be lost when a gas escapes from an open container. - True or false?
True
False
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Part of Unit 8: Rates of reaction — see every lesson and quiz in this unit.
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