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Questions and Answers
Which type of water has less chances of contamination?
Which type of water has less chances of contamination?
- Ground water (correct)
- Water with objectionable dissolved gases
- Water with high concentration of suspended materials
- Surface water
What is the optimum dissolved oxygen (DO) required for healthy fish and other aquatic life in natural water?
What is the optimum dissolved oxygen (DO) required for healthy fish and other aquatic life in natural water?
- 1 to 3 mg/l
- 5 to 8 mg/l (correct)
- 8 to 15 mg/l
- 15 to 20 mg/l
Which type of water has greater chances of hardness?
Which type of water has greater chances of hardness?
- Water with less suspended materials
- Ground water
- Water with objectionable dissolved gases
- Surface water (correct)
What is one of the most important measures of water quality mentioned in the text?
What is one of the most important measures of water quality mentioned in the text?
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What can threaten fish and other aquatic life if it drops in water?
What can threaten fish and other aquatic life if it drops in water?
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