Tag: strategies to control pollution

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Multiple choice economics environment pollution strategies to control environmental pollution strategies to control pollution strategies to control environmental pollution and green chemistry

Sludge is:

  1. created from combination of gases released from industries and water

  2. a semi-solid slurry and can be produced as sewage sludge from wastewater treatment processes

  3. a type of household waste

  4. a type of industrial waste
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sludge is a semi-solid slurry and can be produced as sewage sludge from wastewater treatment processes or as a settled suspension obtained from conventional drinking water treatment and numerous other industrial processes.

Multiple choice economics environment pollution strategies to control environmental pollution strategies to control pollution strategies to control environmental pollution and green chemistry

Which of the following statements is/are correct for generating non-biodegradable waste?

  1. Thermal power plants producing fly ash

  2. Iron and steel plants producing blast furnace slag

  3. Metal industries producing mud and tailings

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Non-biodegradable waste is a type of waste that can not be broken down into its base compounds by micro-organisms, air, moisture or soil in a reasonable amount of time. Non-biodegradable waste is an environmental concern, as it threatens to overwhelm landfills and create disposal problems. Almost all industries generate some amount of non biodegradable waste for eg fly ash,slag,mud which are major concern for the environment.