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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: - Which of the following about fluorine is not correct
- The best coagulant for the precipitation of Fe(OH)₃ is
- By increasing the temperature , the vapour pressure of a substance
- The screening effect of d-electrons is
- An organic compound containing C, H, N gave the following analysis
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following about fluorine is not correct
- The best coagulant for the precipitation of Fe(OH)₃ is
- By increasing the temperature , the vapour pressure of a substance
- The screening effect of d-electrons is
- An organic compound containing C, H, N gave the following analysis
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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