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What happen chemically when quick lime is added to water?
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What happen chemically when quick lime is added to water?
Chemical Reaction of Quick Lime and Water
Quick lime is the common name for calcium oxide (CaO), which is a white or grayish-white solid. When quick lime is added to water, a chemical reaction takes place, which is known as slaking of lime. The reaction is exothermic and generates a lot of heat.
Chemical Equation for the Reaction
The chemical equation for the reaction between quick lime and water is as follows:
CaO + H2O → Ca(OH)2 + heat
Explanation of the Reaction
The reaction between quick lime and water is a highly exothermic reaction, which means that it releases a lot of heat. This is due to the fact that the reaction is highly exothermic. When quick lime is added to water, it reacts with water molecules to form calcium hydroxide (Ca(OH)2). This is an alkaline substance and is also known as slaked lime.
The reaction takes place in two stages:
- Stage 1: Dissolution of Quick Lime - In this stage, quick lime dissolves in water to form calcium hydroxide. The chemical equation for this stage is as follows:
- Stage 2: Heat Generation - In this stage, the reaction generates heat, which is due to the exothermic nature of the reaction. The chemical equation for this stage is as follows:
CaO + H2O → Ca(OH)2
CaO + H2O → Ca(OH)2 + heat
Uses of Slaked Lime
Slaked lime is used in various applications, including:
- As a building material for mortar, plaster, and stucco
- As a soil conditioner to increase the pH level of acidic soils
- In the paper industry to bleach pulp
- In the chemical industry to produce calcium salts and calcium carbide
- In the food industry as a food additive and preservative
Thus, the reaction between quick lime and water is an important chemical reaction that has several uses in various industries.
Community Answer
What happen chemically when quick lime is added to water?
When quick lime is added to water it reacts vigorously and produce slaked lime...
CaO +h2o ---ca(oh)2.
CaO +h2o ---ca(oh)2.
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What happen chemically when quick lime is added to water?
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What happen chemically when quick lime is added to water? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about What happen chemically when quick lime is added to water? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What happen chemically when quick lime is added to water?.
What happen chemically when quick lime is added to water? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about What happen chemically when quick lime is added to water? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What happen chemically when quick lime is added to water?.
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