Single Answer MCQ
Q-00004416

Which statement about combustion reactions is incorrect?

1

They involve oxygen.

2

They produce carbon dioxide.

3

They are always exothermic.

4

They require an acid-base interaction.

Answer and Solution

Answer

D. They require an acid-base interaction.

Solution:

Combustion reactions do not require an acid-base interaction; they simply involve oxygen and produce energy, carbon dioxide, and water.

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