Environmental Chemistry II Water Multiple Choice Questions 1 PDF Download

Practice environmental chemistry ii water MCQs, grade 10 online chemistry test 1, properties of water multiple choice questions and answers. Properties of water revision test has chemistry worksheets, helping answer key with choices as 1: 2, 2: 1, 3: 1 and 4: 1 of multiple choice questions (MCQ) with properties of water quiz as the ratio of hydrogen (h) and oxygen (o) in water molecule by volume is for competitive exam prep, viva interview questions. Free chemistry study guide to practice properties of water quiz to attempt multiple choice questions based test.

MCQs on Environmental Chemistry II Water Quiz PDF Download Worksheets 1

MCQ. The ratio of hydrogen (H) and oxygen (O) in water molecule by volume is

  1. 2: 1
  2. 1: 2
  3. 3: 1
  4. 4: 1

A

MCQ. What is the fourth step of raw water treatment?

  1. Sedimentation
  2. Coagulation
  3. Filtration
  4. Chlorination

D

MCQ. Hardness that cannot be removed by boiling is called

  1. Temporary hardness
  2. Permanent hardness
  3. Both A and B
  4. None of these

B

MCQ. The density of water becomes maximum at

  1. 10°C
  2. 4°C
  3. 5°C
  4. 12°C

B

MCQ. Step of sewage water treatment in which sewage is placed in tanks and aerated with large blowers is called

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

C