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CBSE Class 10 Science Question 12 of 28

Chemical Reactions and Equations — Question 12

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Question

Question 12

Write one equation each for decomposition reactions where energy is supplied in the form of heat, light or electricity.

Answer

  1. CaCO3 (s) →Heat\xrightarrow{\text{Heat}} CaO (s) + CO2 (g)

  2. 2AgCl (s) →sunlight\xrightarrow{\text{sunlight}} 2Ag (s) + Cl2 (g)

  3. 2H2O (l) →electricity\xrightarrow{\text{electricity}} 2H2 (g) + O2 (g)