Environmental Chemistry II Water Multiple Choice Questions 10 PDF Download

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Chemistry multiple choice questions (MCQ) on what percentage of sodium chloride is present in sea water? with options 10%, 2%, 3.40% and 1%, properties of water quiz for competitive exam prep, viva interview questions with answers key. Free chemistry study guide to learn properties of water quiz to attempt multiple choice questions based test.

MCQs on Environmental Chemistry II Water Quiz PDF Download Worksheets 10

MCQ. What percentage of sodium chloride is present in sea water?

  1. 2%
  2. 10%
  3. 3.40%
  4. 1%

C

MCQ. Which of following is an intestinal disease caused by parasite, entamoeba?

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

B

MCQ. What is given when electricity is passed through acidified water in a voltameter?

  1. Oxygen
  2. Hydrogen
  3. Both A and B
  4. None of these

C

MCQ. Which of following is transmitted by faecal contamination of water or food by encysted organism?

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

B

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

  1. Primary sewage treatment
  2. Secondary sewage treatment
  3. Activated sludge treatment
  4. Chlorination

D