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Course: Alhussan Chemistry — Stage 8
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Alhussan Chemistry — Stage 8

Chapter 7: Inside Atoms

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Chapter 8: Pure Substances and Solutions

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Chapter 9: Chemical Reactions 2

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Quiz

Chemistry 9.8 Metals and acids — Quiz

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  • Questions count: 50
  • Passing grade: B+
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1.
50 cm³ of hydrogen in 20 s. Mean rate?
1000.00 cm³/s
70.00 cm³/s
2.50 cm³/s
0.40 cm³/s
2.
Hydrogen made by metals in acid in 1 minute. Which has the smallest value?
Dr Dabour Hub Academy - figure 1
Iron
Zinc
Magnesium
Copper
3.
All these reactions make ____ gas.
chlorine
nitrogen
oxygen
hydrogen
4.
True or false? Sulfuric acid forms sulfates.
True
False
5.
True or false? The salt is named from the metal and the acid.
True
False
6.
True or false? Metal + acid gives CO2.
True
False
7.
Which is the correct definition of “Rate”?
Most reactive common metal.
Positive particle in the nucleus.
How fast a reaction happens.
Water vapour that reacts with magnesium and iron.
8.
Which statement is correct?
Zinc is more reactive than magnesium.
Copper fizzes in dilute acid.
Magnesium fizzes more than zinc in acid.
Lead reacts vigorously with acid.
9.
The faster the bubbles, the more ____ the metal.
shiny
reactive
heavy
dense
10.
Salts made from metals and acids in class. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 2
A
B
C
D
11.
True or false? Nitric acid makes sulfates.
True
False
12.
Temperature rise when metals react with acid. What is the total of all the values?
Dr Dabour Hub Academy - figure 3
27
35
18
31
13.
Temperature rise when metals react with acid. Which has the smallest value?
Dr Dabour Hub Academy - figure 4
Zinc
Copper
Iron
Magnesium
14.
50 cm³ of hydrogen in 30 s. Mean rate?
1.67 cm³/s
1500.00 cm³/s
0.60 cm³/s
80.00 cm³/s
15.
Which term matches this definition? “Acid that makes chlorides.”
Squeaky pop
Hydrochloric acid
Carbon
Pure substance
16.
True or false? The salt is a gas.
True
False
17.
Which term matches this definition? “How fast a reaction happens.”
Waterproof
Rate
Zinc chloride
Iron oxide
18.
Which is the correct definition of “Nitric acid”?
Wearing away by weather.
Least reactive common metal.
Acid that makes sulfates.
Acid that makes nitrates.
19.
Which statement is correct?
Sulfuric acid makes chlorides.
Metal + acid cools the tube.
Copper fizzes in dilute acid.
Excess metal is removed by filtering.
20.
Excess metal is removed by ____.
filtering
freezing
evaporating
condensing
21.
Which is the correct definition of “Effervescence”?
Solute per volume.
Salt from magnesium and sulfuric acid.
Turns purple in strong alkali.
Fizzing as gas forms.
22.
What are the products of a metal reacting with an acid?
A hydroxide only
A salt and water
An oxide and oxygen
A salt and hydrogen
23.
Which statement is NOT correct?
The test tube gets warm as metal reacts with acid.
The salt formed dissolves in water.
The salt is a gas.
Metal + acid → salt + hydrogen.
24.
Salts made from metals and acids in class. What is the total of all the values?
Dr Dabour Hub Academy - figure 5
12
5
16
14
25.
Salts made from metals and acids in class. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 6
A
B
C
D
26.
Magnesium made 64 cm³ and zinc 24 cm³. How many times more for magnesium?
88.0 times
2.7 times
0.4 times
40.0 times
27.
38 cm³ of hydrogen in 30 s. Mean rate?
1.27 cm³/s
68.00 cm³/s
0.79 cm³/s
1140.00 cm³/s
28.
Which statement is NOT correct?
Evaporating the solution leaves the salt.
Copper fizzes in dilute acid.
The salt formed dissolves in water.
Excess metal is removed by filtering.
29.
Salts made from metals and acids in class. About how many times bigger is Magnesium chloride than Iron chloride?
Dr Dabour Hub Academy - figure 7
5.0
2.5
1.2
3.8
30.
Zinc + sulfuric acid → zinc ____ + hydrogen.
nitrate
chloride
oxide
sulfate
31.
Nitric acid forms ____.
sulfates
chlorides
hydroxides
nitrates
32.
60 cm³ of hydrogen in 50 s. Mean rate?
1.20 cm³/s
0.83 cm³/s
110.00 cm³/s
3000.00 cm³/s
33.
Which is the correct definition of “Hydrogen”?
Gas made by metals with water or acids.
Compound formed from an acid.
Black compound formed by heating copper.
Test result for hydrogen.
34.
True or false? Lead reacts very slowly with acids.
True
False
35.
Magnesium made 56 cm³ and zinc 24 cm³. How many times more for magnesium?
32.0 times
80.0 times
0.4 times
2.3 times
36.
Hydrogen from magnesium in acid. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 8
A
B
C
D
37.
True or false? Sulfuric acid makes chlorides.
True
False
38.
Only metals above ____ in the series react with acids.
lead
gold
copper
hydrogen
39.
Which term matches this definition? “Fizzing as gas forms.”
Distillation
Potassium
Effervescence
Leaded petrol
40.
Which term matches this definition? “Salt from zinc and hydrochloric acid.”
Copper sulfate
Zinc chloride
Metal oxide
Lead
41.
Which statement is NOT correct?
Potassium and sodium react with acids dangerously.
Lead reacts very slowly with acids.
Silver does not react with dilute acids.
Nitric acid makes sulfates.
42.
True or false? Iron + hydrochloric acid → iron chloride + hydrogen.
True
False
43.
True or false? Metal + acid → salt + hydrogen.
True
False
44.
Salts made from metals and acids in class. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 9
A
B
C
D
45.
True or false? Copper fizzes in dilute acid.
True
False
46.
50 cm³ of hydrogen in 50 s. Mean rate?
1.00 cm³/s
2500.00 cm³/s
100.00 cm³/s
10.00 cm³/s
47.
Salts made from metals and acids in class. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 10
A
B
C
D
48.
38 cm³ of hydrogen in 20 s. Mean rate?
0.53 cm³/s
58.00 cm³/s
1.90 cm³/s
760.00 cm³/s
49.
Salts made from metals and acids in class. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 11
A
B
C
D
50.
Metal + acid → salt + ____.
oxygen
water
CO2
hydrogen
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Part of Chapter 9: Chemical Reactions 2 — see every lesson and quiz in this unit.
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