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Slaked Lime vs. Lime Water: What's the Difference?

Edited by Huma Saeed || By Sawaira Riaz || Published on January 15, 2024
Slaked lime is calcium hydroxide powder formed by adding water to quicklime, while lime water is a clear, saturated solution of slaked lime in water.

Key Differences

Slaked lime, chemically known as calcium hydroxide, is created by adding water to quicklime (calcium oxide). This exothermic reaction produces a fine powder used in various applications, from construction to agriculture. Lime water, on the other hand, is made by dissolving slaked lime in water, resulting in a clear, saturated solution. It is used in culinary, laboratory, and environmental applications.
Sawaira Riaz
Jan 15, 2024
In terms of composition, slaked lime is a dry, powdery substance that retains its basic chemical structure of calcium hydroxide. It can react with carbon dioxide in the air, forming calcium carbonate. Lime water, being a solution, has a portion of slaked lime dissolved in water and is often less reactive with air compared to its powdered form.
Sawaira Riaz
Jan 15, 2024
The uses of slaked lime include making mortar and plaster in construction, neutralizing acidic soil in agriculture, and treating water. Its high pH makes it suitable for these applications. Lime water is commonly used as a test for carbon dioxide, as it turns milky when exposed to it, and is used in cooking, especially in traditional recipes that require a crisp texture in vegetables or corn.
Sawaira Riaz
Jan 15, 2024
Safety measures for handling slaked lime are crucial due to its caustic nature, which can cause skin and respiratory irritation. It must be stored in airtight containers to prevent reaction with carbon dioxide. Lime water, being a diluted form, is less hazardous but still requires careful handling, particularly in culinary settings.
Aimie Carlson
Jan 15, 2024
The physical properties of slaked lime include its ability to absorb moisture from the air, necessitating careful storage. Lime water, if left exposed, can lead to the precipitation of calcium carbonate, demonstrating its capacity to react with atmospheric carbon dioxide.
Sawaira Riaz
Jan 15, 2024
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Comparison Chart

Composition

Dry, powdery substance
Clear, saturated solution in water
Sawaira Riaz
Jan 15, 2024

Formation

Produced by adding water to quicklime
Made by dissolving slaked lime in water
Huma Saeed
Jan 15, 2024

Primary Uses

Construction, agriculture, water treatment
Culinary, laboratory testing, environmental
Sawaira Riaz
Jan 15, 2024

Safety and Handling

Caustic, requires careful storage
Less hazardous, requires careful handling
Janet White
Jan 15, 2024

Reaction with Carbon Dioxide

Forms calcium carbonate with air exposure
Turns milky in presence of carbon dioxide
Harlon Moss
Jan 15, 2024
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Slaked Lime and Lime Water Definitions

Slaked Lime

Slaked lime can absorb moisture and carbon dioxide from the air.
The slaked lime was stored in airtight containers to prevent it from hardening.
Sawaira Riaz
Dec 23, 2023

Lime Water

Lime water can precipitate calcium carbonate over time.
The lime water left uncovered showed signs of calcium carbonate formation.
Harlon Moss
Dec 23, 2023

Slaked Lime

Slaked lime is calcium hydroxide, used in making mortar and plaster.
They used slaked lime in the construction of traditional houses.
Sawaira Riaz
Dec 23, 2023

Lime Water

It's a less concentrated form of calcium hydroxide.
Lime water was used instead of slaked lime for its milder effect.
Harlon Moss
Dec 23, 2023

Slaked Lime

Slaked lime is used to neutralize acidic soil in agriculture.
Farmers spread slaked lime on their fields to improve soil pH.
Sawaira Riaz
Dec 23, 2023

Lime Water

Lime water is a clear solution of slaked lime in water.
In the experiment, lime water turned milky upon exposure to carbon dioxide.
Sawaira Riaz
Dec 23, 2023

Slaked Lime

It's produced by adding water to quicklime.
When water was added to quicklime, slaked lime was formed.
Sawaira Riaz
Dec 23, 2023

Lime Water

It's used as a test for the presence of carbon dioxide in labs.
To detect carbon dioxide, scientists bubbled the gas through lime water.
Huma Saeed
Dec 23, 2023

Slaked Lime

It serves as a water treatment agent due to its alkaline properties.
Slaked lime was added to the water supply to purify it.
Sawaira Riaz
Dec 23, 2023

Lime Water

Lime water is used in cooking to crisp vegetables and corn.
She soaked the corn in lime water to make it crispier.
Sawaira Riaz
Dec 23, 2023

FAQs

What is slaked lime?

A powdery calcium hydroxide produced by hydrating quicklime.
Sawaira Riaz
Jan 15, 2024

What is lime water?

A saturated solution of slaked lime in water.
Huma Saeed
Jan 15, 2024

Can slaked lime be used in agriculture?

Yes, for soil neutralization and improvement.
Aimie Carlson
Jan 15, 2024

How is slaked lime made?

By adding water to quicklime (calcium oxide).
Sawaira Riaz
Jan 15, 2024

Is lime water used in laboratories?

Yes, to test for the presence of carbon dioxide.
Sawaira Riaz
Jan 15, 2024

What are the safety measures for handling slaked lime?

Avoid skin and eye contact and inhalation; store in airtight containers.
Sawaira Riaz
Jan 15, 2024

How do you make lime water?

By dissolving slaked lime in water.
Janet White
Jan 15, 2024

What happens when slaked lime is exposed to air?

It can absorb moisture and carbon dioxide, forming calcium carbonate.
Sawaira Riaz
Jan 15, 2024

Can lime water react with carbon dioxide?

Yes, it turns milky due to the formation of calcium carbonate.
Sawaira Riaz
Jan 15, 2024

Can slaked lime be harmful if ingested?

Yes, it's caustic and can cause internal burns.
Aimie Carlson
Jan 15, 2024

What's the use of lime water in cooking?

To crisp vegetables and process corn.
Janet White
Jan 15, 2024

Why is lime water used in carbon dioxide detection?

Because it visibly reacts by turning milky.
Sawaira Riaz
Jan 15, 2024

Is slaked lime the same as quicklime?

No, slaked lime is hydrated quicklime.
Sawaira Riaz
Jan 15, 2024

Is slaked lime used in water treatment?

Yes, for purifying and adjusting pH levels.
Sawaira Riaz
Jan 15, 2024

Does slaked lime have a shelf life?

Yes, it can harden or lose effectiveness over time.
Sawaira Riaz
Jan 15, 2024

Can lime water be used in environmental applications?

Yes, in water treatment and environmental testing.
Janet White
Jan 15, 2024

What's the difference in pH between slaked lime and lime water?

Slaked lime has a higher pH due to its concentration.
Janet White
Jan 15, 2024

How do you store lime water?

In a sealed container, away from direct sunlight and heat.
Sawaira Riaz
Jan 15, 2024

Can both slaked lime and lime water be used in construction?

Slaked lime is commonly used in construction, while lime water is not.
Harlon Moss
Jan 15, 2024

Is lime water safe to consume?

In small, diluted amounts, it can be, but caution is advised.
Harlon Moss
Jan 15, 2024
About Author
Written by
Sawaira Riaz
Sawaira is a dedicated content editor at difference.wiki, where she meticulously refines articles to ensure clarity and accuracy. With a keen eye for detail, she upholds the site's commitment to delivering insightful and precise content.
Edited by
Huma Saeed
Huma is a renowned researcher acclaimed for her innovative work in Difference Wiki. Her dedication has led to key breakthroughs, establishing her prominence in academia. Her contributions continually inspire and guide her field.

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