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Course: Alhussan Chemistry — Stage 9
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Alhussan Chemistry — Stage 9

Chapter 10: Structure, Bonding, and Properties

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Chapter 11: Patterns in the Periodic Table

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Chapter 12: Chemical Reactions 3 and Rates

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Chapter 13: Planet Earth and Continental Drift

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Quiz

Chemistry Stage 9 Comprehensive Review — Quiz

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  • Questions count: 50
  • Passing grade: B+
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1.
Why is a chloride ion larger than a chlorine atom?
It gains a neutron
It loses a proton
The extra electron increases repulsion
It loses electrons
2.
True or false? Zinc displaces copper from its salts.
True
False
3.
Time for a reaction at different temperatures. Calculate the percentage change in "Time (s)" from 20 to 60.
Dr Dabour Hub Academy - figure 1
94%
6%
−1500%
−94%
4.
True or false? Halogen reactivity decreases down the group.
True
False
5.
True or false? Diamond is giant covalent.
True
False
6.
True or false? Aluminium is extracted by electrolysis.
True
False
7.
Plate moves 2 cm/year. Km in 1 million years?
200 km
2 km
20 km
40 km
8.
Which term matches this definition? “Compound from an acid.”
Rock strata
Symbol equation
Salt
Ion
9.
Mass 79 g, volume 10 cm³. Density?
790.00 g/cm³
7.90 g/cm³
69.00 g/cm³
0.13 g/cm³
10.
What is the electron arrangement of Na⁺?
2,7
2,8,2
2,8
2,8,1
11.
Which is the correct definition of “Covalent bond”?
Wegener's idea that continents slowly move.
Slab of crust and upper mantle that moves.
Using electricity to extract reactive metals.
Shared pair of electrons.
12.
True or false? Catalysts are not used up.
True
False
13.
Ion +1 with 20 protons. Electrons?
19
21
20
190
14.
Plate moves 2 cm/year. Km in 10 million years?
200 km
20 km
2000 km
400 km
15.
Ion +2 with 20 protons. Electrons?
20
18
2
22
16.
Metal carbonate + acid → salt + water + ____.
CO2
oxygen
nitrogen
hydrogen
17.
Which statement is NOT correct?
Group 1 reactivity increases down the group.
Iron is extracted with carbon.
Na⁺ is 2,8,1.
Mesosaurus fossils link South America and Africa.
18.
Which statement is correct?
Gold displaces copper.
Halogen reactivity increases down the group.
Aluminium is extracted with carbon.
Mass is conserved in reactions.
19.
Which decides how a metal is extracted?
Its density
Its price only
Its reactivity
Its colour
20.
Which diagram shows a sodium ion?
Dr Dabour Hub Academy - figure 2
None
C
A
B
21.
Time for a reaction at different temperatures. By how much does "Time (s)" change between 20 and 60?
Dr Dabour Hub Academy - figure 3
150
170
10
188
22.
Iron is extracted with ____.
water
gold
electrolysis
carbon
23.
Ion +1 with 12 protons. Electrons?
12
13
110
11
24.
True or false? Aluminium is extracted with carbon.
True
False
25.
Ionic compounds have ____ melting points.
negative
low
zero
high
26.
Ion +2 with 12 protons. Electrons?
10
14
2
12
27.
A chloride ion is ____ than a chlorine atom.
smaller
unrelated
equal
larger
28.
True or false? Oldest rocks are at ridges.
True
False
29.
Melting points of substances (°C). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 4
A
B
C
D
30.
Density of Group 1 metals (g/cm³). What is the value for Na?
Dr Dabour Hub Academy - figure 5
0.53
0.86
1.53
0.97
31.
Time for a reaction at different temperatures. Between which two values of "Temperature (°C)" did "Time (s)" change the most?
Dr Dabour Hub Academy - figure 6
50 and 60
20 and 30
30 and 40
40 and 50
32.
True or false? Diamond conducts.
True
False
33.
Width of the Atlantic Ocean over time. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 7
A
B
C
D
34.
Which statement is correct?
Chloride ion is smaller than chlorine atom.
Noble gases have full outer shells.
Na⁺ is 2,8,1.
Oldest rocks are at ridges.
35.
True or false? Raising temperature makes collisions less frequent.
True
False
36.
Density of Group 1 metals (g/cm³). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 8
A
B
C
D
37.
Which statement is NOT correct?
Lumps react faster.
A chloride ion is larger than a chlorine atom.
Wegener proposed continental drift.
Metal + acid → salt + hydrogen.
38.
Melting points of substances (°C). Which has the smallest value?
Dr Dabour Hub Academy - figure 9
Methane
Water
Diamond
Sodium chloride
39.
40 cm³ gas in 30 s. Mean rate?
70.0 cm³/s
0.8 cm³/s
1.3 cm³/s
1200.0 cm³/s
40.
True or false? Wegener proposed continental drift.
True
False
41.
Which term matches this definition? “Charged particle from losing or gaining electrons.”
Mid-ocean ridge
Ion
Pangaea
Lystrosaurus
42.
Which term matches this definition? “Salts are made from acids with metals, oxides or carbonates followed by filtration and ____.”
combustion
chromatography
distillation
crystallisation
43.
True or false? Mass is lost in sealed reactions.
True
False
44.
Group 1 reactivity ____ down the group.
stays
decreases
increases
stops
45.
Melting points of substances (°C). Which has the greatest value?
Dr Dabour Hub Academy - figure 10
Sodium chloride
Diamond
Methane
Water
46.
Which statement is correct?
Halogen reactivity decreases down the group.
Lumps react faster.
Oldest rocks are at ridges.
Mass is lost in sealed reactions.
47.
True or false? Rocks are youngest at mid-ocean ridges.
True
False
48.
Width of the Atlantic Ocean over time. What is the value of "Width (km)" when "Million years ago" is 0?
Dr Dabour Hub Academy - figure 11
3000
0
4800
6000
49.
Melting points of substances (°C). What is the total of all the values?
Dr Dabour Hub Academy - figure 12
4587
3550
3751
4169
50.
Higher temperature makes reactions ____.
faster
unchanged
slower
stop
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Part of Chapter 13: Planet Earth and Continental Drift — see every lesson and quiz in this unit.
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