8
QuizMultiple Choice

Elements, Compounds, and Mixtures — Unit test

Question 8 • LA-Chemistry A

When a strip of magnesium metal is touched to a flame, a bright light and a whitish substance are produced. Why is the burning of magnesium considered a chemical change?

Answer
A
because the metal reaches a high temperature
B
because the metal begins to melt
C
because a new substance is formed
D
because the metal is malleable
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