Environmental Chemistry II Water Multiple Choice Questions and Answers 11 PDF Download

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MCQs on Environmental Chemistry II Water Quiz PDF Download Worksheets 11

MCQ: Which of following is a disease that proceeds from obstruction of liver?

  1. Cholera
  2. Dysentery
  3. Jaundice
  4. Hepatitis


MCQ: How much percentage of Earth's crust is covered by water?

  1. 69%
  2. 71%
  3. 80%
  4. 75%


MCQ: Hard water can block radiators due to formation of

  1. insoluble calcium and magnesium salts
  2. insoluble sodium salts
  3. in soluble phosphate salts
  4. insoluble potassium salts


MCQ: What is total amount of water present of Earth?

  1. 1.33 billion cubic kilometers
  2. 1.33 billion cubic meters
  3. 1.33 million cubic kilometers
  4. 1.33 million cubic meters


MCQ: Ice floats on top of water because

  1. Water expands on freezing
  2. Water contracts on freezing
  3. Ice is lighter than water
  4. None of these