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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)
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- Treatment of a mixture of CH₃Cl and C₂H₅Cl with sodium in dry ether can generat
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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
- Fischer-Tropsch process is used in the manufacture of
- Treatment of a mixture of CH₃Cl and C₂H₅Cl with sodium in dry ether can generat
- The best method for the separation of naphthalene and benzoic acid from their
- A dibromo derivative of an alkane reacts with sodium metal to form an alicyclic
- In which one of the following is not a buffer solution
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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