AnswersNY-Chemistry Term 1 HillcrestPeriodic Trends — Unit testQuestion 6
6
QuizMultiple Choice

Periodic Trends — Unit test

Question 6 • NY-Chemistry Term 1 Hillcrest

Which of these is an example of a physical change?

Answer
A
sugar dissolving in warm water
B
iron rusting in the presence of moist air
C
wood burning in the presence of oxygen
D
baking soda reacting with acid to form a gas
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