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Question: Answered & Verified by Expert
Which of the following reactions is an example of calcination process?
ChemistryGeneral Principles and Processes of Isolation of MetalsBITSATBITSAT 2017
Options:
  • A 2Ag+2HCl+O2AgCl+H2O
  • B 2Zn+O22ZnO
  • C 2ZnS+3O22ZnO+2SO2
  • D MgCO3ΔMgO+CO2
Solution:
1982 Upvotes Verified Answer
The correct answer is: MgCO3ΔMgO+CO2

The process of conversion of a concentrated ore into its oxide by heating in absence of or in limited supply of air is called calcination. It is usually done for hydroxide, hydrated oxides and carbonate ores.

MgCO3ΔMgO+CO2g

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