Question 1
求标准状况(STP)下, (氧气)所占的体积。
- A
- B
- C
- D
Answer: A. $11.2\text{ L}$
标准状况下 气体体积为 ,。学生易误选 B(未乘以 0.5)或 D(误将 当作 1 mol 计算两倍)。
UEC Senior 1 · Chemistry
高一Chemistry · 物质三态 (States of Matter)
物质三态 (States of Matter) is part of the UEC Senior 1 Chemistry syllabus. Practice the MCQs here to sharpen your exam technique — each question comes with a worked explanation.
Free sample questions
Question 1
Answer: A. $11.2\text{ L}$
Question 2
Answer: C. $2.408\times 10^{24}$ 个
Question 3
Answer: B. $\frac{8}{3}\text{ L}$
Question 4
Answer: B. $20\%$
Question 5
Answer: A. $0.1\text{ mol}$
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