Question detail
Which statement is true about alloys?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Using materials
Question
- A. Alloys are always stronger than pure metals.
- B. Alloys have a fixed composition.
- C. Alloys can be made from two or more metals.
- D. Alloys cannot be used in construction.
Answer
The correct option is Alloys can be made from two or more metals.. This answer is correct because it matches the approved learning objective to recall bronze as an alloy of copper and tin. (Chemistry only) in the subtopic Alloys as useful materials.
Explanation
The correct option is Alloys can be made from two or more metals.. Alloys can be made from two or more metals. is correct because it directly supports the approved learning objective to recall bronze as an alloy of copper and tin. (Chemistry only). This belongs to the subtopic Alloys as useful materials within Using materials, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Alloys as useful materials.
Common mistake
Confusing Bronze Composition
Students often incorrectly state that bronze is an alloy of copper and zinc.
Remember that bronze is specifically an alloy of copper and tin, not zinc.
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