Single Answer MCQ
Q-00040015
Which of the following statements about combustion of hydrocarbons is correct?
1
It requires only carbon dioxide.
2
It usually produces ash.
3
It releases energy.
4
It is always complete.
Answer and Solution
Answer
C. It releases energy.
Solution:
Combustion of hydrocarbons releases energy. While it can sometimes result in ash and incomplete combustion may occur, producing carbon monoxide or soot, what primarily occurs is energy release in the form of heat and light.
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