Class 10 Courses

Chapter 7: Class 10 Chemistry Exam Tests

Class 10 Chemistry MCQs - Chapter 7

Environmental Chemistry II Water Trivia Questions and Answers PDF - 4

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Environmental Chemistry II Water Questions & Answers PDF Download: MCQ Quiz 4

MCQ 16: Which of the following is the most abundant salt in seawater?

  1. magnesium chloride
  2. calcium chloride
  3. sodium chloride
  4. sodium nitrate

MCQ 17: 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?

  1. cholera
  2. dysentery
  3. jaundice
  4. hepatitis

MCQ 18: Property due to which water acts as a universal solvent is its

  1. polarity only
  2. ability to make hydrogen bond only
  3. strong dipole dipole interaction
  4. polarity and ability to make hydrogen bond

MCQ 19: What is the first step of raw water treatment?

  1. sedimentation
  2. coagulation
  3. filtration
  4. chlorination

MCQ 20: The fourth step of sewage water treatment is called

  1. primary sewage treatment
  2. secondary sewage treatment
  3. activated sludge treatment
  4. chlorination

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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 (iOS & Android)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

A level Chemistry App (iOS & Android)