Question

Which of the following is a combustion reaction?
a)boiling of water
b)melting of wax
c)burning of wood
d)none of these​

Answer 1

Answer:

c) burning of wood

Explanation:

Boiling of water is evaporation and melting of wax is a suggested by the name, a melting reaction. Burning of wood is combustion since wood us burnt to ashes with the help of air and fire.

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Answer 2

Answer:

Burning of wood

Explanation:

Burning of wood is combustion since wood us burnt to ashes with the help of air and fire.

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