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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 amino acid is optically inactive
- The solubility product of AgI at 25⁰C is 1.0 ˣ 10⁻¹⁶ mol² L⁻².
- Arrange the following in increasing order of acidity H₃PO₄ , H₂CO₃ , HCl , HI
- In which of the following pairs of molecules/ions, the central atoms have
- Identify the feasible reaction among the following
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 amino acid is optically inactive
- The solubility product of AgI at 25⁰C is 1.0 ˣ 10⁻¹⁶ mol² L⁻².
- Arrange the following in increasing order of acidity H₃PO₄ , H₂CO₃ , HCl , HI
- In which of the following pairs of molecules/ions, the central atoms have
- Identify the feasible reaction among the following
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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