Class 10 Chemistry MCQs - Chapter 7
Environmental Chemistry II Water Multiple Choice Questions (MCQ) PDF Download - 10
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The Environmental chemistry ii water Multiple Choice Questions (MCQ Quiz) with Answers PDF (Environmental Chemistry II Water MCQ PDF e-Book) download Ch. 7-10 to learn Grade 10 Chemistry Course. Study Properties of Water Multiple Choice Questions and Answers (MCQs) PDF, Environmental Chemistry II Water Quiz Questions and Answers to learn online schools courses. The Environmental Chemistry II Water MCQ App Download: Free educational app for properties of water, waterborne diseases, water pollution test prep for distance learning.
The MCQs: What percentage of sodium chloride is present in seawater; "Environmental Chemistry II Water" App (Android, iOS) with answers: 0.1; 0.02; 0.034; 0.01; to learn online schools courses. Practice Properties of Water MCQ Questions, download Apple e-Book (Free Sample) for online courses.
Environmental Chemistry II Water MCQs with Answers PDF Download: Quiz 10
What percentage of sodium chloride is present in seawater?
- 0.02
- 0.1
- 0.034
- 0.01
Which of the following is an intestinal disease caused by a parasite, entamoeba?
- cholera
- dysentery
- jaundice
- hepatitis
What is given when electricity is passed through acidified water in a voltammeter?
- oxygen only
- hydrogen only
- nitrogen
- oxygen and hydrogen
Which of the following is transmitted by fecal contamination of water or food by an encysted organism?
- cholera
- dysentery
- jaundice
- hepatitis
Step of sewage water treatment in which effluent from a sewage plant is treated with chlorine is called
- primary sewage treatment
- secondary sewage treatment
- activated sludge treatment
- chlorination
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