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Reverse Osmosis Video Lecture - NEET

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1. What is reverse osmosis?
Ans. Reverse osmosis is a water purification process that uses a semi-permeable membrane to remove ions, molecules, and larger particles from drinking water. It is a highly effective method to remove contaminants and improve water quality.
2. How does reverse osmosis work?
Ans. Reverse osmosis works by applying pressure to push water molecules through a semi-permeable membrane, leaving behind contaminants such as dissolved salts, bacteria, and other impurities. The membrane allows only pure water molecules to pass through, resulting in clean and purified water.
3. What are the benefits of reverse osmosis?
Ans. Reverse osmosis offers several benefits, including the removal of harmful contaminants like lead, chlorine, fluoride, and other chemicals from drinking water. It improves the taste and odor of water, provides a reliable source of clean water, and can be cost-effective in the long run compared to buying bottled water.
4. Is reverse osmosis water safe to drink?
Ans. Yes, reverse osmosis water is safe to drink. The reverse osmosis process effectively removes most contaminants, including bacteria, viruses, and chemicals, ensuring that the water is clean and safe for consumption.
5. How often should the reverse osmosis system be maintained?
Ans. The maintenance frequency of a reverse osmosis system depends on various factors such as water quality, usage, and the specific system. However, it is generally recommended to replace the pre-filters every 6-12 months and the membrane every 2-3 years to ensure optimal performance and longevity of the system. Regular cleaning and sanitization are also advised.
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