Question detail
Which of the following best describes potable water?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Using the Earth's resources and obtaining potable water
Question
- A. Water that is chemically pure
- B. Water that is safe to drink
- C. Water that contains high levels of minerals
- D. Water that is distilled
Answer
The correct option is Water that is safe to drink. This answer is correct because it matches the approved learning objective to distinguish potable water from chemically pure water in the subtopic Potable water.
Explanation
The correct option is Water that is safe to drink. Water that is safe to drink is correct because it directly supports the approved learning objective to distinguish potable water from chemically pure water. This belongs to the subtopic Potable water within Using the Earth's resources and obtaining potable water, 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 Potable water.
Common mistake
Confusing Potable Water with Pure Water
Students often think that potable water is the same as chemically pure water, not realizing that potable water can contain dissolved substances that make it safe to drink.
Remember that potable water is safe for consumption and may have low levels of dissolved salts and microbes, while chemically pure water contains no impurities.
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