Chemistry
Grade-10
Easy

Question

Examples of decomposition include:

  1. 2H2O2 → 2H2O + O2
  2. 2NaCI → 2Na + CI2
  3. Two of the above
  4. NH3 + H2O → NH4OH

hintHint:

A decomposition reaction can be defined as a chemical reaction in which one reactant breaks down into two or more products.

The correct answer is: Two of the above


    Both of the above reactions are the examples of decomposition reaction.
    • 2NaCI rightwards arrow 2Na + CI2 and 2H2Orightwards arrow 2H2O + O2 
    • In both reactions, the reactant breaks down into two products. 
    • During the reaction, a single substance decomposes and form two or many substances.

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