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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 one of the following complexes is not expected to exhibit isomerism
- Which of these is a hypnotic
- When chlorine water is exposed to sunlight, the colour change that occurs is
- The increasing order of atomic radius for the elements Na, Rb, K and Mg is
- The bad smelling substance, formed by the action of alcoholic caustic potash
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following complexes is not expected to exhibit isomerism
- Which of these is a hypnotic
- When chlorine water is exposed to sunlight, the colour change that occurs is
- The increasing order of atomic radius for the elements Na, Rb, K and Mg is
- The bad smelling substance, formed by the action of alcoholic caustic potash
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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