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Environmental And Ecological Engineering Laboratory MCQ

1. What is Dissolved Oxygen?

Answer

Correct Answer: Oxygen gas molecules (O2) present in the water

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2. What are the primary sources of total hardness?

Answer

Correct Answer: Calcium, magnesium, alkaline earth metal

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3. What does conductivity measure?

Answer

Correct Answer: The capability of a solution to pass an electric current

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4. What is Turbidity a measure of?

Answer

Correct Answer: Cloudiness or haziness in water caused by suspended solids

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5. What is temperature a measure of?

Answer

Correct Answer: Average energy (kinetic) of water molecules

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