⇦ | ⇨ |
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 polymer is an example of fibre
- The chemical substance used to bring down body temperature in high fever
- The π-bond organo metallic compound which has ethene as one of its component is
- At equilibrium, the value of change in Gibb’s free energy (ΔG) is
- A mixture containing benzene and chlorobenzene is seperated by
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 polymer is an example of fibre
- The chemical substance used to bring down body temperature in high fever
- The π-bond organo metallic compound which has ethene as one of its component is
- At equilibrium, the value of change in Gibb’s free energy (ΔG) is
- A mixture containing benzene and chlorobenzene is seperated by
Topics: Surface Chemistry and Isolation of Elements (88)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply