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Class 10
Solutions to CBSE Sample Paper - Science Class 10

Which of the given options correctly represents the Parent acid and base of Calcium Carbonate? 

Q8 - Parent acid and base of Calcium Carbonate - Teachoo.jpg

Answer - 


Calcium carbonate is CaCO 3  


  • Acid should have carbonate i.e. CO 3  
  • And base should have Calcium i.e. Ca

The reaction looks like

Reaction to form Calcium Carbonate - Teachoo-01.jpg


Since only option (b) satisfies both conditions

So, the correct answer is (b)  



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CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo