Class 7 Exam > Class 7 Questions > What was the nature of lime water?
Start Learning for Free
What was the nature of lime water?
Most Upvoted Answer
What was the nature of lime water?
Lime juice is the juice obtained from lime, a citrus fruit. This contains citric acid, and is therefore sour in taste. On the other hand, lime water is a saturated solution of a base called calcium hydroxide (chemical formula Ca(OH)2) in water. Hence, lime water is not acidic but basic in nature.
Community Answer
What was the nature of lime water?
Lime Water: Nature and Properties
Lime water, also known as calcium hydroxide solution, is a clear, colorless liquid that is commonly used in various applications due to its unique properties. It is prepared by dissolving calcium hydroxide (Ca(OH)2) in water. Let's delve into the nature and characteristics of lime water in detail.
1. Chemical Composition:
- Lime water is primarily composed of calcium hydroxide, which is a compound consisting of one calcium ion (Ca2+) and two hydroxide ions (OH-).
- The chemical formula of calcium hydroxide is Ca(OH)2.
2. Alkaline Nature:
- Lime water is highly alkaline due to the presence of hydroxide ions.
- When calcium hydroxide dissolves in water, it dissociates into calcium ions (Ca2+) and hydroxide ions (OH-).
- The hydroxide ions make the solution alkaline, resulting in a high pH level.
3. Reactivity:
- Lime water is reactive and can undergo various chemical reactions.
- It reacts readily with acids to form calcium salts, neutralizing the acidic nature of the solution.
- For example, when lime water reacts with hydrochloric acid (HCl), it forms calcium chloride (CaCl2) and water (H2O).
4. Precipitation Reaction:
- One of the distinguishing characteristics of lime water is its ability to form a white precipitate when exposed to carbon dioxide (CO2) gas.
- Carbon dioxide from the air can dissolve in lime water, forming calcium carbonate (CaCO3) as a precipitate.
- This reaction is often used to test for the presence of carbon dioxide gas.
5. Antiseptic Properties:
- Lime water possesses antiseptic properties, making it useful in medical and dental applications.
- It can be used as a mouthwash or gargle to help treat oral infections and promote healing.
6. Industrial Applications:
- Lime water finds extensive use in industries such as construction, agriculture, and water treatment.
- It is utilized as a building material, agricultural lime to adjust soil pH, and a flocculant in water treatment processes.
Conclusion:
Lime water is a versatile solution with distinctive properties. Its alkaline nature, reactivity with acids, precipitation reaction with carbon dioxide, antiseptic properties, and various industrial applications make it a valuable substance. Understanding the nature and characteristics of lime water enables its appropriate utilization in different fields.
Lime water, also known as calcium hydroxide solution, is a clear, colorless liquid that is commonly used in various applications due to its unique properties. It is prepared by dissolving calcium hydroxide (Ca(OH)2) in water. Let's delve into the nature and characteristics of lime water in detail.
1. Chemical Composition:
- Lime water is primarily composed of calcium hydroxide, which is a compound consisting of one calcium ion (Ca2+) and two hydroxide ions (OH-).
- The chemical formula of calcium hydroxide is Ca(OH)2.
2. Alkaline Nature:
- Lime water is highly alkaline due to the presence of hydroxide ions.
- When calcium hydroxide dissolves in water, it dissociates into calcium ions (Ca2+) and hydroxide ions (OH-).
- The hydroxide ions make the solution alkaline, resulting in a high pH level.
3. Reactivity:
- Lime water is reactive and can undergo various chemical reactions.
- It reacts readily with acids to form calcium salts, neutralizing the acidic nature of the solution.
- For example, when lime water reacts with hydrochloric acid (HCl), it forms calcium chloride (CaCl2) and water (H2O).
4. Precipitation Reaction:
- One of the distinguishing characteristics of lime water is its ability to form a white precipitate when exposed to carbon dioxide (CO2) gas.
- Carbon dioxide from the air can dissolve in lime water, forming calcium carbonate (CaCO3) as a precipitate.
- This reaction is often used to test for the presence of carbon dioxide gas.
5. Antiseptic Properties:
- Lime water possesses antiseptic properties, making it useful in medical and dental applications.
- It can be used as a mouthwash or gargle to help treat oral infections and promote healing.
6. Industrial Applications:
- Lime water finds extensive use in industries such as construction, agriculture, and water treatment.
- It is utilized as a building material, agricultural lime to adjust soil pH, and a flocculant in water treatment processes.
Conclusion:
Lime water is a versatile solution with distinctive properties. Its alkaline nature, reactivity with acids, precipitation reaction with carbon dioxide, antiseptic properties, and various industrial applications make it a valuable substance. Understanding the nature and characteristics of lime water enables its appropriate utilization in different fields.
Attention Class 7 Students!
To make sure you are not studying endlessly, EduRev has designed Class 7 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 7.
|
Explore Courses for Class 7 exam
|
|
Similar Class 7 Doubts
Top Courses for Class 7View all
What was the nature of lime water?
Question Description
What was the nature of lime water? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about What was the nature of lime water? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What was the nature of lime water?.
What was the nature of lime water? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about What was the nature of lime water? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What was the nature of lime water?.
Solutions for What was the nature of lime water? in English & in Hindi are available as part of our courses for Class 7.
Download more important topics, notes, lectures and mock test series for Class 7 Exam by signing up for free.
Here you can find the meaning of What was the nature of lime water? defined & explained in the simplest way possible. Besides giving the explanation of
What was the nature of lime water?, a detailed solution for What was the nature of lime water? has been provided alongside types of What was the nature of lime water? theory, EduRev gives you an
ample number of questions to practice What was the nature of lime water? tests, examples and also practice Class 7 tests.
|
|
Explore Courses for Class 7 exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup