PLEASE HELP MEEE AM BEING TIMED
2 answers:
Answer:
Physical:
1. a sheet of copper
2. A banana is yellow.
3. Barium melts at 725 degrees Celsius.
5. a diamond is the hardest natural substance.
7. A bar of lead...
Chemical:
4. gasoline is flammable
6. helium does not react...
8. potassium metal...
9. an apple...
10. silver tarnishes...
Hope this helps! Tell me if I am wrong on any.
Step-by-step explanation:
Physical is something that can change but it is still considered the same substance. Chemical is when they change and it becomes something new.
Answer:
1st is physical, 2nd is chemical, 3rd is chemical, 4th is chemical, 5th is physical, 6th is chemical, 7th is physical, 8th is physical, 9th is chemical and 10th is chemical
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Step-by-step explanation:
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Answer:
13 seconds.
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Given
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Hope that helped
