Question 58
EasyOriginal questionWhich of these is a physical change, not a chemical one?
Show the answer and explanation
CorrectNot quiteAnswer A
Correct answer: A
Explanation
Freezing changes only the state; the ice is still water and melts back.
Souring milk, rusting and digestion all form new substances.
- Concept
- Physical changes
- Typical timeTypical
- 35 s
- Your timeYours
- —
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