NEET > Chemistry Class 11 > Methods to Remove Temporary & Permanent Hardness
Methods to Remove Temporary & Permanent Hardness Video Lecture - Chemistry Class 11 - NEET
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FAQs on Methods to Remove Temporary & Permanent Hardness Video Lecture - Chemistry Class 11 - NEET
| 1. What is temporary hardness and how can it be removed? |  |
Ans. Temporary hardness refers to the presence of dissolved minerals, such as calcium and magnesium bicarbonates, in water. It can be removed by boiling the water, which causes the minerals to precipitate and settle at the bottom. Once the water cools down, the clear water can be separated from the sediment.
| 2. How can permanent hardness be eliminated from water? | |
Ans. Permanent hardness is caused by the presence of calcium and magnesium sulfates or chlorides in water. It can be removed through various methods, such as ion exchange, lime soda process, or reverse osmosis. These methods involve the use of specific chemicals or filtration processes to separate and remove the minerals responsible for permanent hardness.
| 3. What are the consequences of consuming hard water? | |
Ans. Consuming hard water can have several consequences. It can affect the taste and odor of water, as well as leave mineral deposits on utensils and appliances. Hard water can also reduce the effectiveness of soaps and detergents, leading to increased usage and potential skin irritation. Furthermore, it can cause scaling in pipes and appliances, reducing their efficiency and lifespan.
| 4. Is there a difference between temporary and permanent hardness in terms of health effects? | |
Ans. In terms of health effects, there is no significant difference between temporary and permanent hardness. Both types of hardness are caused by minerals that are generally safe to consume in moderate amounts. However, excessive consumption of certain minerals found in hard water, such as calcium and magnesium, may contribute to kidney stone formation in susceptible individuals. It is always advisable to consult a healthcare professional for personalized advice.
| 5. Can using water softeners completely remove both temporary and permanent hardness? | |
Ans. Yes, water softeners are effective in removing both temporary and permanent hardness. Water softeners work by exchanging calcium and magnesium ions with sodium or potassium ions, effectively reducing the hardness of water. However, it should be noted that water softeners do not remove other contaminants present in the water. So, if there are other impurities, additional filtration methods may be required.
About this Video
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Mohit Rajpoot |
Video Description: Methods to Remove Temporary & Permanent Hardness for NEET 2023 is part of Chemistry Class 11 preparation.
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