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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: - If we want to study relative arrangement of atoms in a molecule we study
- Which of the following shows linear structure
- For distinguishing phenol and acetic acid we required to react (treat) them
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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
- If we want to study relative arrangement of atoms in a molecule we study
- Which of the following shows linear structure
- For distinguishing phenol and acetic acid we required to react (treat) them
- Bithional is generally added to the soaps as an additive to function as a
- The compound containing coordinate bond is
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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