Environmental Chemistry II Water Questions and Answers 9 PDF Download eBook
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"The third step of sewage water treatment is called" Multiple Choice Questions (MCQ) on environmental chemistry ii water with choices secondary sewage treatment, primary sewage treatment, activated sludge treatment, and chlorination for distance learning. Solve waterborne diseases quiz questions for school certificate programs for online education programs.
Environmental Chemistry II Water MCQs Quiz 9 PDF Download eBook
MCQ: The third step of sewage water treatment is called
- primary sewage treatment
- secondary sewage treatment
- activated sludge treatment
MCQ: Water that gives little lather is called
- hard water
- soft water
- dirty water
- clean water
MCQ: Water exists in how many different states on Earth?
MCQ: What is the percentage of water from oceans?
MCQ: The hardness which can be removed by boiling is called
- permanent hardness
- temporary hardness