Check sibling questions

Identify the correct option from the given table which represents the type of reactions occurring in step 1 and step 2.

Answer - 

  • When limestone is heated, it absorbs heat (endothermic) and decomposes to form calcium oxide . This is indicated by an orange glow as the limestone is heated.
  • The formation of calcium hydroxide, Ca(OH) 2 , i.e, slaked lime, when water is added to lime (CaO), the reaction is exothermic

So, the correct answer is (c)  

 

  1. Class 10
  2. Solutions to CBSE Sample Paper - Science Class 10
  3. Solutions - CBSE Class 10 Sample Paper for 2022 Boards - Science [MCQ]

Solutions - CBSE Class 10 Sample Paper for 2022 Boards - Science [MCQ]

About the Author

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