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Alhussan Chemistry — Stage 9

Chapter 10: Structure, Bonding, and Properties

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Chapter 12: Chemical Reactions 3 and Rates

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Quiz

Chemistry 12.3 Metal displacement reactions — Quiz

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  • Questions count: 50
  • Passing grade: B+
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1.
Temperature rise when metals are added to copper sulfate. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 1
A
B
C
D
2.
Mass of copper deposited from copper sulfate. What is the value of "Copper (g)" when "Time (min)" is 5?
Dr Dabour Hub Academy - figure 2
0.36
0.00
0.89
0.67
3.
Which statement is NOT correct?
Magnesium gives a larger temperature rise than iron.
The order is calcium, magnesium, aluminium, zinc, iron, copper, silver, gold.
Copper displaces zinc from zinc sulfate.
Calcium is near the top of the series.
4.
A brown-pink coating of ____ forms.
zinc
silver
iron
copper
5.
Mass of copper deposited from copper sulfate. Between which two values of "Time (min)" did "Copper (g)" change the most?
Dr Dabour Hub Academy - figure 3
15 and 20
0 and 5
10 and 15
5 and 10
6.
Which term matches this definition? “Reactive metal used in thermite.”
Copper sulfate
Reactant
Aluminium
Energy transfer
7.
Reactions observed in a displacement grid. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 4
A
B
C
D
8.
Mass of copper deposited from copper sulfate. At what value of "Time (min)" is "Copper (g)" greatest?
Dr Dabour Hub Academy - figure 5
20
10
15
5
9.
Which term matches this definition? “Gives out heat.”
Exothermic
Bioleaching
Diatomic element
Salt
10.
Blue colour fell from 100% to 25%. Percentage decrease?
75%
300%
25%
750%
11.
0.75 g copper deposited in 10 min. Mean rate?
10.750 g/min
7.500 g/min
13.333 g/min
0.075 g/min
12.
Colour intensity of copper sulfate with zinc. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 6
A
B
C
D
13.
Mass of copper deposited from copper sulfate. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 7
A
B
C
D
14.
A more reactive metal displaces a ____ reactive metal.
very
equally
less
more
15.
The grid shows results of adding metals to salt solutions (✓ = reaction). Which metal is most reactive?
Dr Dabour Hub Academy - figure 8
Copper
Magnesium
All equal
Zinc
16.
Which term matches this definition? “Reactant in thermite.”
Neutralisation
State symbol
Insoluble base
Iron oxide
17.
Which is the correct definition of “Exothermic”?
Reusing metal to save ore and energy.
More oxide than needed so all acid is neutralised.
Gives out heat.
Smallest particle of an element.
18.
Calcium is near the ____ of the series.
end
top
bottom
middle
19.
True or false? Copper + silver nitrate → copper nitrate + silver.
True
False
20.
Which statement is NOT correct?
Gold is at the bottom of the series.
Lead displaces iron from iron oxide.
The solution turns blue as copper displaces silver.
Displacement can rank metals by reactivity.
21.
Mass of copper deposited from copper sulfate. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 9
A
B
C
D
22.
True or false? Calcium is near the top of the series.
True
False
23.
Temperature rise when metals are added to copper sulfate. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 10
A
B
C
D
24.
True or false? Aluminium + iron oxide → aluminium oxide + iron.
True
False
25.
Which statement is NOT correct?
Zinc + copper sulfate → zinc sulfate + copper.
Displacement can rank metals by reactivity.
Thermite is used to make glass.
Aluminium + iron oxide → aluminium oxide + iron.
26.
Reactions observed in a displacement grid. Which has the greatest value?
Dr Dabour Hub Academy - figure 11
Zn
Cu
Mg
Fe
27.
Temperature rise when metals are added to copper sulfate. Which has the smallest value?
Dr Dabour Hub Academy - figure 12
Iron
Magnesium
Silver
Zinc
28.
Which statement is correct?
Copper + silver nitrate → copper nitrate + silver.
Copper displaces zinc from zinc sulfate.
Displacement cannot rank metals.
Thermite is used to make glass.
29.
True or false? The thermite reaction is endothermic.
True
False
30.
Colour intensity of copper sulfate with zinc. Between which two values of "Time (min)" did "Blue colour (%)" change the most?
Dr Dabour Hub Academy - figure 13
5 and 10
0 and 5
10 and 15
15 and 20
31.
Temperature rise when metals are added to copper sulfate. What is the value for Zinc?
Dr Dabour Hub Academy - figure 14
6
0
12
30
32.
Magnesium gives a ____ temperature rise than iron.
equal
larger
smaller
zero
33.
Which statement is NOT correct?
Displacement reactions are exothermic.
Copper sulfate turns darker with zinc.
Aluminium + iron oxide → aluminium oxide + iron.
Thermite is used to weld railway tracks.
34.
Which is the correct definition of “Iron oxide”?
Forming crystals by evaporating a solution.
More oxide than needed so all acid is neutralised.
Reactant in thermite.
Dissolved in water, (aq).
35.
Reactions observed in a displacement grid. Which has the smallest value?
Dr Dabour Hub Academy - figure 15
Mg
Zn
Fe
Cu
36.
Reactions observed in a displacement grid. What is the total of all the values?
Dr Dabour Hub Academy - figure 16
6
4
3
8
37.
0.7 g copper deposited in 20 min. Mean rate?
20.700 g/min
14.000 g/min
0.035 g/min
28.571 g/min
38.
0.75 g copper deposited in 15 min. Mean rate?
20.000 g/min
11.250 g/min
0.050 g/min
15.750 g/min
39.
Which statement is NOT correct?
Displacement can rank metals by reactivity.
Iron is more reactive than zinc.
Thermite produces molten iron.
Aluminium + iron oxide → aluminium oxide + iron.
40.
Blue colour fell from 100% to 45%. Percentage decrease?
550%
45%
122%
55%
41.
Which term matches this definition? “A reaction in which a more reactive metal takes the place of a less reactive metal in a compound.”
Neutralisation
Displacement
Combustion
Decomposition
42.
Using the cards, which pair would NOT react?
Dr Dabour Hub Academy - figure 17
Copper + zinc sulfate
Iron + copper sulfate
Magnesium + iron sulfate
Zinc + copper sulfate
43.
Aluminium + iron oxide → aluminium oxide + ____.
aluminium
iron
oxygen
rust
44.
Colour intensity of copper sulfate with zinc. At what value of "Time (min)" is "Blue colour (%)" smallest?
Dr Dabour Hub Academy - figure 18
5
10
0
20
45.
Temperature rose from 20 to 50 °C. Rise?
−30°C
70°C
30°C
50°C
46.
Which term matches this definition? “Metals in order of reactivity.”
Reactivity series
Zinc sulfate
Subscript
Residue
47.
Mass of copper deposited from copper sulfate. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 19
A
B
C
D
48.
Which reaction happens?
Gold + iron oxide
Copper + magnesium oxide
Silver + zinc oxide
Magnesium + copper oxide
49.
Thermite reaction temperature is over ____ °C.
20
2000
20 000
200
50.
Colour intensity of copper sulfate with zinc. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 20
A
B
C
D
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Part of Chapter 12: Chemical Reactions 3 and Rates — see every lesson and quiz in this unit.
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