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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 a compound, on analysis was found to contain C=18.5% ,H=1.55%, Cl=55.04%
- When 10 g of a non-volatile solute is dissolved in 100 g of benzene ,
- Which of the following shows bond in silicone?
- The set representing the correct order for the first ionisation potential is
- The shape of IF₇ molecule is
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If a compound, on analysis was found to contain C=18.5% ,H=1.55%, Cl=55.04%
- When 10 g of a non-volatile solute is dissolved in 100 g of benzene ,
- Which of the following shows bond in silicone?
- The set representing the correct order for the first ionisation potential is
- The shape of IF₇ molecule 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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