The combustion of elements in oxygen
1 mark · NormalWhich of the following best describes what happens when an element combusts in oxygen?
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Correct option: A new compound is formed and energy is released.
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Marking points
A1 · 1 mark · Chooses the correct option: A new compound is formed and energy is released.
Worked solution
When an element combusts in oxygen, it forms a new compound (an oxide) and releases energy as heat and light.