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9. Rusting of iron is a chemical change. All phase changes are physical
changes
A. Both statements are true.
B. Both statements are false.
C. The first statement is true while the second is false,
D. The second statement is true while the first is false.
10. Jeff placed some mothballs inside the cabinet. After some days the
mothballs disappeared. What happened to the mothballs?
A. It sublimed.
A. It evaporated.
B. It reacted with air inside the cabinet,
C. It was dissolved by water present in air.​