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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