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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)
Related Questions: - In the reaction : 2P₂O₅ + 2HNO₃ → P₄O₁₀ + x, the term x is
- The correct order of increasing bond angles in the following species is
- The C-C bond length is longest in
- The metal-carbon bond in metal carbonyl possesses
- One of the characteristic properties of non-metals is that they
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In the reaction : 2P₂O₅ + 2HNO₃ → P₄O₁₀ + x, the term x is
- The correct order of increasing bond angles in the following species is
- The C-C bond length is longest in
- The metal-carbon bond in metal carbonyl possesses
- One of the characteristic properties of non-metals is that they
Topics: Surface Chemistry and Isolation of Elements (88)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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