When the ore limestone is heated carbon dioxide is given off. This operation

When The Ore Limestone Is Heated Carbon Dioxide Is Given Chemistry Question

When the ore limestone is heated carbon dioxide is given off. This operation in metallurgy is known as

Options

(a) smelting
(b) ore dressing
(c) calcination
(d) roasting

Correct Answer:

calcination

Explanation:

CaCO₃(s) → CaO(s) + CO₂(g)

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Topics: Surface Chemistry and Isolation of Elements (88)
Subject: Chemistry (2512)

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