Magnesium is a light silver metal. When it is burned in oxygen, it oxidizes in a bright white light. Magnesium oxide is a white powder. How can we be sure that burning magnesium in oxygen is a chemical reaction?
A) A gas is produced.
B) Energy is absorbed.
C) There is an explosion.
D) There is color change .
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Answer:
there is a colour change so option D is correct
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