On heating, calcium carbonate gets converted into calcium oxide and carbon dioxide. Is this a physical or a chemical change?

On heating, calcium carbonate gets converted into calcium oxide and carbon dioxide.

  1. Is this a physical or a chemical change?
  2. 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.

Answer:

  1. Chemical change.
  2. Acidic and basic solutions can be prepared by dissolving the products of the above process in water.
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