Free Water Pollution and Treatment MCQs with Answers
2 Water Pollution and Treatment MCQs from Chemistry, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
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2 questions
1. Identify which one of the following water pollutant is Carcinogenic?
- A. Polycyclic hydrocarbons
- B. Mineral acids
- C. D.D.T
- D. Nitrate fertilizers
Explanation: Polycyclic aromatic hydrocarbons (PAHs) are a group of organic compounds that are formed during incomplete combustion of organic matter, such as fossil fuels, wood, and tobacco. Many PAHs are known or suspected carcinogens, meaning they have the potential to cause cancer in humans. Explanation will be added soon.
Correct answer: Polycyclic hydrocarbons2. The disadvantage of use of chlorinated water is:
- A. Formation of NH4Cl , NHCl2 , NCl3 which are eye irritants
- B. Increased risk of bladder and rectal cancer by drinking water
- C. Offensive odour and taste due to chlorinated phenols.
- D. All of the above
Explanation: Disadvantages as advised by CDC guidelines for chlorinated water include following: The drawbacks of chlorination are: Relatively low protection against protozoa Lower disinfection effectiveness in turbid waters Potential taste and odor objections Must ensure quality control of solution Potential long-term effects of chlorination by-products
Correct answer: All of the aboveWater Pollution and Treatment MCQs: common questions
Are these Water Pollution and Treatment MCQs free?
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There are 2 Water Pollution and Treatment MCQs in the Chemistry bank, shown ten to a page with the correct answer and an explanation on each.
Does every Water Pollution and Treatment MCQ have an explanation?
Yes. Each Water Pollution and Treatment question shows the correct option and a written explanation of why it is correct, so a wrong answer teaches you something rather than just being marked wrong.
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