On heating, calcium carbonate gets converted into calcium oxide and carbon dioxide. (a) Is this a physical or a chemical change? (b) Can you prepare one acidic and one basic solution by using the products formed in the above process? If so, write the chemical equation involved
ScienceClass 9CBSEAnswered 27 Mar 2026
Answer
Solution:
Answers:
- It is a chemical change
CaCO3+H2O →CaO+CO2
- Acidic and basic solutions can be prepared by dissolving the products of the above process in water,
CaO+H2O → Ca(OH)2 (basic solution) CO2 + H2O→H2 CO3 (acidic solution)
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