第 1 題
1 分Which of the following is defined as water that is safe for humans to drink?
AQA GCSE · Chemistry 8462
Using the Earth's resources and obtaining potable water：練習題
5 條多項選擇題即時批改，另有 1 條文字題附完整解題步驟，全部圍繞「Using the Earth's resources and obtaining potable water」。
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第 2 題
1 分Sewage treatment involves several stages. Which stage specifically involves the use of anaerobic digestion?
第 3 題
1 分Phytomining is an alternative method for extracting copper. How is the copper eventually obtained from the plants used in this process?
第 4 題
1 分Which of these is an example of a finite resource?
第 5 題
1 分A student is investigating a water sample. They find that when the water is evaporated, a white solid remains. What does this result prove about the water sample?
第 6 題
6 分In the UK, potable water is often produced from fresh water sources.
Identify the three main stages in this process and explain why each stage is necessary to make the water safe for human consumption.
先自己寫一次答案，再對照解題步驟。
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