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Environmental Chemistry II Water Multiple Choice Questions and Answers PDF p. 9

Practice Environmental chemistry ii water multiple choice questions and answers, environmental chemistry ii water quiz answers PDF to learn grade 10 chemistry test 9 for online courses. Water Pollution MCQs, environmental chemistry ii water quiz questions and answers for distance learning. "Environmental Chemistry II Water " Book PDF: water pollution, soft and hard water, properties of water test prep for free online courses.

"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. Learn water pollution quiz questions for school certificate programs for online education programs.

MCQs on Environmental Chemistry II Water Quiz

MCQ: The third step of sewage water treatment is called

primary sewage treatment
secondary sewage treatment
activated sludge treatment
chlorination

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?

one
two
three
four

MCQ: What is the percentage of water from oceans?

0
0.002
0.006
0.97

MCQ: The hardness which can be removed by boiling is called

permanent hardness
temporary hardness
stiffness
toughness