Metals Practice Questions
IGCSE (Cambridge) · IGCSE Chemistry · 141 free MCQs with instant results and detailed explanations.
141
Total
46
Easy
70
Medium
25
Hard
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Sample Questions from Metals
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Q1
Easy
Which of the following metals is typically known for its high conductivity of electricity?
A.
Copper
B.
Iron
C.
Aluminum
D.
Zinc
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Correct Answer: A
Copper is well-known for its excellent electrical conductivity, making it a common choice for electrical wiring.
Q2
Easy
When metals react with acids, what is usually produced?
A.
Salt and hydrogen gas
B.
Oxygen gas and salt
C.
Water and carbon dioxide
D.
Hydrogen gas and carbon monoxide
Show Answer & Explanation
Correct Answer: A
The reaction of metals with acids typically produces a salt and hydrogen gas, as described by the general reaction of metals with acids.
Q3
Easy
Which metal is often used in the construction of aircraft due to its strength-to-weight ratio?
A.
Gold
B.
Titanium
C.
Lead
D.
Copper
Show Answer & Explanation
Correct Answer: B
Titanium is favored in aircraft construction due to its excellent strength-to-weight ratio, making it ideal for aerospace applications.
Q4
Medium
Which of the following metals is the most reactive according to the reactivity series?
A.
Potassium
B.
Iron
C.
Copper
D.
Silver
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Correct Answer: A
Potassium is at the top of the reactivity series, indicating it is the most reactive metal. It reacts vigorously with water and oxygen.
Q5
Medium
A student conducts an experiment where zinc metal is added to copper sulfate solution. What is the expected observation?
A.
No reaction occurs.
B.
Zinc dissolves with no color change.
C.
Copper precipitate forms and solution turns blue.
D.
Zinc precipitates out and solution turns colorless.
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Correct Answer: C
In this displacement reaction, zinc displaces copper from copper sulfate, leading to the formation of copper precipitate while the solution remains blue due to the copper ions.
Q6
Medium
Which of the following methods is best for extracting aluminum from its ore?
A.
Electrolysis
B.
Reduction with carbon
C.
Acid leaching
D.
Thermal decomposition
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Correct Answer: A
Aluminum is extracted from bauxite ore through electrolysis because it is more reactive than carbon, making reduction with carbon ineffective.
Q7
Medium
When metals react with acids, what type of gas is typically produced?
A.
Oxygen
B.
Hydrogen
C.
Carbon dioxide
D.
Nitrogen
Show Answer & Explanation
Correct Answer: B
When metals react with dilute acids, they typically produce hydrogen gas, which can be observed as bubbles during the reaction.
Q8
Hard
Which of the following metals exhibits the highest resistance to corrosion when exposed to moist air?
A.
Aluminum
B.
Iron
C.
Copper
D.
Gold
Show Answer & Explanation
Correct Answer: D
Gold is known for its excellent resistance to corrosion and tarnishing, making it the most resistant among the listed metals when exposed to moist air.
Q9
Hard
Which of the following metals can displace zinc from a zinc sulfate solution?
A.
Iron
B.
Copper
C.
Silver
D.
Gold
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Correct Answer: A
Iron is more reactive than zinc, allowing it to displace zinc from its compound in solution. The reactivity series shows that iron is placed above zinc, confirming this displacement reaction.
Q10
Hard
What is the product of the reaction between aluminum and copper(II) sulfate?
A.
Aluminum sulfate and copper
B.
Aluminum oxide and copper(II) oxide
C.
Copper sulfate and aluminum oxide
D.
Copper and aluminum sulfate
Show Answer & Explanation
Correct Answer: A
When aluminum reacts with copper(II) sulfate, aluminum displaces copper due to its higher reactivity, forming aluminum sulfate and elemental copper as products.
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Metals — IGCSE (Cambridge) IGCSE Chemistry Practice Questions Online
This page contains 141 practice MCQs for the chapter Metals in IGCSE (Cambridge) IGCSE Chemistry. The questions are organized by difficulty — 46 easy, 70 medium, 25 hard — so you can choose the right level for your preparation.
Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit.