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Which of the following is an example of a decomposition reaction?

HgO + Cl2-->HgCl + O2
Na + Br2 --> NaBr
KCIO3 --> KCI + O2
AgF + CaCl2 → AgCl + CaF2

User Lotz
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Answer:

The answer is option 3.

Step-by-step explanation:

Decomposition reaction occurs when one or more molecules are produced. It can decompose itself without any help of other compound.

User Simon Cross
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