-
Engineering and Architecture
Exams
Colleges
Predictors
Resources
-
Computer Application and IT
Quick Links
Colleges
-
Pharmacy
Colleges
Resources
-
Hospitality and Tourism
Colleges
Resources
Diploma Colleges
-
Competition
Other Exams
Resources
-
School
Exams
Top Schools
Products & Resources
-
Study Abroad
Top Countries
Resources
-
Arts, Commerce & Sciences
Exams
Colleges
Upcoming Events
Resources
-
Management and Business Administration
Colleges & Courses
Predictors
-
Learn
Law Preparation
MBA Preparation
Engineering Preparation
Medical Preparation
-
Online Courses and Certifications
Top Streams
Specializations
- Digital Marketing Certification Courses
- Cyber Security Certification Courses
- Artificial Intelligence Certification Courses
- Business Analytics Certification Courses
- Data Science Certification Courses
- Cloud Computing Certification Courses
- Machine Learning Certification Courses
- View All Certification Courses
Resources
-
Medicine and Allied Sciences
Colleges
Predictors
Resources
-
Law
Resources
Colleges
-
Animation and Design
Exams
Predictors & Articles
Colleges
Resources
-
Media, Mass Communication and Journalism
Colleges
Resources
-
Finance & Accounts
Top Courses & Careers
Colleges
Get Answers to all your Questions
- Home
- Engineering
- Calcination is the process in which :Option: 1 ore is heated above its melting point to expel H2O or CO2 or SO2.</s
- #Engineering
- #General Principle and process of Isolation of metals
- #Class 12
- #Andhra Pradesh Engineering Agriculture and Medical Common Entrance Test
- #Karnataka Common Entrance Test
- #Chemistry
Calcination is the process in which :
ore is heated above its melting point to expel H2O or CO2 or SO2.
ore is heated below its melting point to expel volatile impurities.
Ore is heated above its melting point to removes S, As and Sb as SO2, As2O3 and Sb2O3 respectively.
Ore is heated below its melting point to expel H2O or CO2.
Answers (1)
Calcination is a thermal treatment process in the presence of air to ores and other solid materials to bring about a thermal decomposition. Phase transition or removal of the volatile fraction.
OR
Calcination is a process of heating a substance to a high temperature but below the melting or fusion point, causing loss of moisture, reduction, or oxidation and dissociation into simpler substances.
Therefore, option (4) is correct.
Similar Questions
-
5 g of Na2SO4 was dissolved in x g of H2O. The change in freezing point was found to be 3.820C. If Na2SO4 is 81.5% ionised, the value of x (K
A capacitor is made of two square plates each of side 'a' making a very small angle
-
A solution of m-chloroaniline, m-chlorophenol and m-chlorobenzoic acid in ethyl acetate was extracted initially with a saturated solution of NaHCO3 to give fraction A. The leftover organic phase was extracted with d
