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Environmental Science Study Material: Practice Test 55 (Chapter 4)

Environmental Pollution Quiz Questions & Answers PDF Download - 55

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The Environmental Pollution Quiz Questions and Answers PDF (Environmental Pollution Quiz PDF e-Book) download Ch. 4-55 to study Environmental Science Course. Practice Water Pollution MCQs, Environmental Pollution MCQ questions and answers PDF for online colleges that offer certificate programs. Free Environmental Science Quiz App Download: Environmental Pollution Quiz e-Book PDF to study solid waste management, air pollution career test for online undergraduate degree.

The Quiz: How much BOD reduces in preliminary treatment; "Environmental Pollution" App (iOS, Android) with answers: 17 to 60%, 15 to 30%, 19 to 80%, and 10 to 90% to study online certificate courses. Study Major Ecosystems Quiz Questions, download Google Book (Free Sample) for online colleges that offer certificate programs.

Environmental Pollution Exam Questions and Answers PDF Download: Test 55

MCQ: 271

How much BOD reduces in preliminary treatment ?

  1. 15 to 30%
  2. 17 to 60%
  3. 19 to 80%
  4. 10 to 90%
MCQ: 272

What is the approximate temperature In the Pyrolysis reactor ?

  1. 890-1000C
  2. 650-1000C
  3. 550-1000C
  4. 200-1000C
MCQ: 273

What is produced by the fermentation of agricultural waste?

  1. Ethanol
  2. Ethanol Amine
  3. Aminoacids
  4. Base
MCQ: 274

The emission of CO and NO2 are responsible for the higher concentration of O3 in the

  1. Stratosphere
  2. Troposphere
  3. Thermosphere
  4. Biosphere
MCQ: 275

Which particles are larger and heavier?

  1. Dust particles
  2. Settleable particles
  3. Smog particles
  4. Atmospheric particles

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