1.8 Treating Wastewater (GCSE Chemistry)

The following is a GCSE Chemistry test covering '1.8 Treating Wastewater'

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Question 1

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What is wastewater?

Which step comes after screening wastewater?

Which pollutant is commonly found in wastewater?

What is the first step in treating sewage water?

What does sewage sludge typically contain?

What happens during the primary treatment stage?

Before releasing wastewater into nature, it must be cleaned to:

What occurs during the screening step of wastewater treatment?

Why is wastewater treatment important?

Anaerobic digestion involves:

What useful product is obtained from sewage sludge digestion?

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