1.burn paper
a.chemical change
b.physical change
2.melted ice
a.chemical change
b.phisical change
3.cut woods
a.chemical change
b.phisical change
4.what is chemical change
5.what is phisical change
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1.burn paper
a.chemical change
b.physical change
2.melted ice
a.chemical change
b.phisical change
3.cut woods
a.chemical change
b.phisical change
4.what is chemical change
5.what is phisical change
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Answer:
1. A
2. B
3. B
4. Chemical change involves chemical reactions which changes the composition of a substance and its properties.
5. Physical change only involves a change in its physical apperance. There is no changes in its chemical properties.