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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: - The energy of an electron in the nth Bohr orbit of hydrogen atom is
- The adjacent sheets are bonded together in graphite with
- Acetic acid shows twice of its expected molecular weight value experimentally .
- Amongest the following,the compound that can most readily get sulphonated is
- Which is weakest acid
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The energy of an electron in the nth Bohr orbit of hydrogen atom is
- The adjacent sheets are bonded together in graphite with
- Acetic acid shows twice of its expected molecular weight value experimentally .
- Amongest the following,the compound that can most readily get sulphonated is
- Which is weakest acid
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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