Question 16
Environmental PollutionPollution of underground water by metal ions is very likely in a soil that has high
- A.acidity
- B.alkalinity
- C.chloride content
- D.nitrate content
Show the answer and explanation
Answer: A (acidity)
Explanation
Acid dissolves metal compounds in the soil, releasing metal ions that seep into groundwater. In alkaline soil metals stay as insoluble hydroxides.