2. Questions Bank
  3. 9th Class
  4. Science
  5. Is Matter Around Us Pure

9th Class Science Is Matter Around Us Pure Question Bank 9th CBSE Science Is Matter Around Us Pure

  • question_answer
      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.                  [NCERT Exemplar]

    Answer:

          (a) Chemical change. (b) Acidic and basic solutions can be prepared by dissolving the products of the above process in water.  (basic solution)  (acidic solution)


You need to login to perform this action.
You will be redirected in 3 sec spinner