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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: - The percentage of nitrogen in urea is
- The sum of coordination number and oxidation number of the metal M in the complex
- Best method to form aromatic iodide is
- Which of the following is an alicyclic compound
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Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The percentage of nitrogen in urea is
- The sum of coordination number and oxidation number of the metal M in the complex
- Best method to form aromatic iodide is
- Which of the following is an alicyclic compound
- The nitration (using nitration mixture) of aniline gives
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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