Science & Technology Practice Question›› General Science ››
Nanobubble Technology
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Applications and Benefits
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Question 1
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Consider the following statements regarding Nanobubble Technology:
1. It enhances the quality of water, making it more suitable for sustaining aquatic life.
2. It serves as a water treatment method by utilizing ultra-fine bubbles to improve overall water quality.
3. It is used to clean polluted pond water by removing algae and similar biological growths, particularly in environments like zoos.
Which of the above statements are correct?
(a) 1 and 2 only
(b) 1, 2 and 3
(c) 2 and 3 only
(d) 1 and 3 only
Explanation
Nanobubbles are extremely small gas bubbles (less than 200 nanometers in diameter) suspended in water. Due to their small size and unique properties, they offer several benefits in water treatment, aquatic health, and environmental management.
Statement 1 is correct: Nanobubbles can significantly increase dissolved oxygen levels, which improves the livability of water for fish and other aquatic organisms. This makes the technology beneficial in aquaculture and zoological ponds.
Statement 2 is correct:Nanobubbles oxidize contaminants, reduce pathogens, and decompose organic matter, making them effective for purifying water in lakes, ponds, and even industrial settings. The tiny bubbles penetrate deeper into water and surfaces, enhancing cleaning efficiency.
Statement 3 is correct: This is a real-world application. For example, the Delhi Zoo has adopted nanobubble technology to clean pond water, effectively removing algae, foul smell, and organic waste—improving the environment for animals and visitors alike.
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