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The process of heating the limestone to redness in contact with air is termed as...
  • a)
    Carbonation
  • b)
    Oxidation
  • c)
    Hydration
  • d)
    Calcination
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The process of heating the limestone to redness in contact with air is...
Calcination or calcining is a thermal treatment process to bring about a thermal decomposition. The process takes place below the melting point of the product. The name calcination is derived from the Latin word ‘Calcinare’ which mean to burn lime.
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The process of heating the limestone to redness in contact with air is...


Calcination

Calcination is the process of heating a substance to a high temperature in the presence of air or oxygen. In the case of limestone, calcination involves heating the limestone to redness (around 900°C) in contact with air. This process causes the limestone to undergo a chemical reaction that results in the decomposition of the limestone into lime (calcium oxide) and carbon dioxide gas.

Key Points:
- Heating limestone to redness in contact with air is termed as calcination.
- The process of calcination results in the decomposition of limestone into lime and carbon dioxide gas.
- Calcination is an important step in various industrial processes, such as the production of cement and lime.
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The process of heating the limestone to redness in contact with air is termed as...a)Carbonationb)Oxidationc)Hydrationd)CalcinationCorrect answer is option 'D'. Can you explain this answer?
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