The resistance of water to the passage of light through it is a measure of the___________________?
Correct answer: D. Turbidity
- A. Dissolved gases
- B. Color
- C. Hardness
- D. Turbidity
Explanation
Turbidity is the cloudiness of water caused by suspended particles that scatter or block light, so it measures resistance to light transmission. Colour is due mainly to dissolved substances and is a separate property.
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