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Which of the following are endothermic reactions and which are exothermic reactions? (i) Burning of natural gas (ii) Photosynthesis (iii) Electrolysis of water (iv) Respiration

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Question

Which of the following are endothermic reactions and which are exothermic reactions?

  1. Burning of natural gas
  2. Photosynthesis
  3. Electrolysis of water
  4. Respiration
  5. Decomposition of calcium carbonate
Very Short Answer
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Solution

Endothermic reactions Exothermic reactions
Photosynthesis Burning of natural gas
Electrolysis of water Respiration
Decomposition of calcium carbonate  
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Chapter 1: Chemical Reactions and Equations - Exercise 1 [Page 31]

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Lakhmir Singh Chemistry Part 2 [English] Class 10
Chapter 1 Chemical Reactions and Equations
Exercise 1 | Q 35. (c) | Page 31

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