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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Wastewater must be treated to remove harmful:

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

How is the dried solid matter from sewage sludge typically used?

What is secondary treatment aimed at removing?

Which gas byproduct from wastewater treatment can be used as fuel?

What does sewage sludge typically contain?

What is wastewater?

What useful product is obtained from sewage sludge digestion?

After secondary treatment, what is the next step?

Anaerobic digestion in wastewater treatment mainly produces:

Which is an example of wastewater?

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