Class 10 Chemistry Tests
Water Pollution MCQ with Answers PDF Download
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Class 10 Chemistry: Water Pollution MCQs PDF Download
MCQ: What is the fourth step of raw water treatment?
MCQ: Step of sewage water treatment in which sewage is placed in tanks and aerated with large blowers is called
MCQ: What is the second step of raw water treatment?
MCQ: Step of sewage water treatment in which there are some aeration and organic material is converted to inorganic materials is called
MCQ: What is the first step of raw water treatment?
Practice Tests: Class 10 Chemistry Exam Prep
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