Which of this is chemical change and phisical changes?
1.fogging a mirror with your breath
2.breaking a bone
3.mending a broken bone
4.burning a paper
5.slicing potatoes for fries
6.mixing sugar with coffee
7.frying chicken
8.a nail rusting
9.paper ripping
10.wood burning

2

Answers

2015-10-21T18:23:16+08:00
1.) physical change
2.) Physical change
3.) Chemical change
4.) Chemical change
5.) Physical change
6.) Physical change
7.) Chemical change
8.) Chemical change
9.) Physical change
10.) Chemical change...
1 1 1
2015-10-26T21:36:07+08:00
Physical change is a change in shape of an object but not with its chemical component. While chemical change is a change wherein a new substance is formed.

1. Physical change
2. Physical change
3. Chemical change - to be able to heal the bone completely there would be a            chemical reaction that'll occur
4. Chemical change - the burnt paper turns into ash
5. Physical change
6. Physical change
7. Chemical change - the chicken would have a new form (fried)
8. Chemical change - the chemical component changes and the rusting cannot be         changed back again, so it's a new form
9. Physical change
10. Chemical change - turns into ash

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