Class 10 Online Courses

Chapter 7: Class 10 Chemistry Exam Tests

Class 10 Chemistry MCQs - Chapter 7

Environmental Chemistry II Water MCQ (Multiple Choice Questions) PDF - 10

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The MCQs: What percentage of sodium chloride is present in seawater; "Environmental Chemistry II Water" App Download Android & iOS (Free) with answers 0.1, 0.02, 0.034 and 0.01 to learn online schools courses. Practice properties of water quiz questions, download Apple Book (Free Sample) for online courses.

Environmental Chemistry II Water Questions & Answers PDF Download: MCQ Quiz 10

MCQ 46: What percentage of sodium chloride is present in seawater?

A) 0.02
B) 0.1
C) 0.034
D) 0.01

MCQ 47: Which of the following is an intestinal disease caused by a parasite, entamoeba?

A) cholera
B) dysentery
C) jaundice
D) hepatitis

MCQ 48: What is given when electricity is passed through acidified water in a voltammeter?

A) oxygen only
B) hydrogen only
C) nitrogen
D) oxygen and hydrogen

MCQ 49: Which of the following is transmitted by fecal contamination of water or food by an encysted organism?

A) cholera
B) dysentery
C) jaundice
D) hepatitis

MCQ 50: Step of sewage water treatment in which effluent from a sewage plant is treated with chlorine is called

A) primary sewage treatment
B) secondary sewage treatment
C) activated sludge treatment
D) chlorination

Environmental Chemistry II Water Learning App & Free Study Apps

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Environmental Chemistry II Water App (Android & iOS)

Environmental Chemistry II Water App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)