Burning of candle is which kind of reaction?

  1. Synthesis Reaction
  2. Exothermic Reaction
  3. Endothermic Reaction
  4. Photochemical Reaction

Answer (Detailed Solution Below)

Option 2 : Exothermic Reaction
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Detailed Solution

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The correct answer is  Exothermic Reaction.
EXPLANATION:

  • An exothermic reaction is a chemical reaction that releases energy in the form of light or heat. The burning of the candle is an exothermic reaction.
  • Endothermic reactions - Heat is absorbed, like the Photosynthesis process.
  • When Candle burns both physical and chemical changes take place
  • Chemical reactions can be classified into five basic types:
    • Combination Reactions - a reaction in which two or more substances combine to form a single new substance.
    • Decomposition Reactions -  a reaction in which a compound breaks down into two or more two simpler substances.
    • Single-Replacement Reactions - a reaction in which one element replaces a similar element in a compound
    • Double-Replacement Reactions - a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.
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