CBSE Class 10 Sample Paper Science Solution - For 2023 Boards

Identify the types of reaction mentioned above in (i) and (ii). Give one example for each type in the form of a balanced chemical equation.

Question 27 - Identify the types of reaction mentioned - teachoo.jpg


  1. The given reaction is a displacement reaction
  • Element A displaces element B from compound BC to form compound AC .

For Example -


2. ven reaction is a Double Displacement Reaction .

  • The negative and positive ions in compounds AB and CD displace each other to form 2 new products AC and BD.

Examples of Double Displacement reactions can be given by - 

  • Na 2 SO 4 (aq) + BaCl 2 (aq) → BaSO 4 (s) + 2NaCl(aq) 
  • 2KI + Pb(NO 3 ) 2 - > 2KNO 3 + PbI 2
Go Ad-free
Maninder Singh's photo - Co-founder, Teachoo

Made by

Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo