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Grade 10 Chemistry MCQ Questions

Grade 10 Chemistry MCQs - Chapter 7

Environmental Chemistry II Water MCQ with Answers PDF Download - 4

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Chapter 7 MCQs: Environmental Chemistry II Water Quiz

MCQ: Which of the following is the most abundant salt in seawater?

A) magnesium chloride
B) calcium chloride
C) sodium chloride
D) sodium nitrate

MCQ: Which of the following is a disease in which excess of bile from the liver enters the blood and causes yellowness of skin and eyes?

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

MCQ: Property due to which water acts as a universal solvent is its

A) polarity only
B) ability to make hydrogen bond only
C) strong dipole dipole interaction
D) polarity and ability to make hydrogen bond

MCQ: What is the first step of raw water treatment?

A) sedimentation
B) coagulation
C) filtration
D) chlorination

MCQ: The fourth step of sewage water treatment is called

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

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