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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 0.189g of chlorine containing organic compound gave 0.287g of silver chloride
- Which of the following is not an organometallic 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
- If 0.189g of chlorine containing organic compound gave 0.287g of silver chloride
- Which of the following is not an organometallic compound
- Which of the following acids exhibits optical activity
- An important product in the ozone depletion by chlorofluorocarbons is
- One mole of an ideal gas at 300 K is expanded isothermally
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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