Question detail
Which of the following statements is true about brass?
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. It is an alloy of copper and tin.
- B. It is an alloy of copper and zinc.
- C. It is a pure metal.
- D. It is an alloy of iron and carbon.
Answer
The correct option is It is an alloy of copper and zinc.. This answer is correct because it matches the approved learning objective to recall brass as an alloy of copper and zinc. (Chemistry only) in the subtopic Alloys as useful materials.
Explanation
The correct option is It is an alloy of copper and zinc.. It is an alloy of copper and zinc. is correct because it directly supports the approved learning objective to recall brass as an alloy of copper and zinc. (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
Common Misunderstanding of Brass Composition
Students often confuse brass with bronze, thinking that brass is made from copper and tin.
Remember that brass is specifically an alloy of copper and zinc, while bronze is an alloy of copper and tin.
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