ofranceili ofranceili
  • 15-04-2021
  • Chemistry
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Please help. Which of these are chemical or physical change?

Please help Which of these are chemical or physical change class=

Respuesta :

jacebrown84
jacebrown84 jacebrown84
  • 22-04-2021

Answer:

Explanation:

a is a physical change you could put the peices back together

b is a chemical change because you cant unburn wood  

c is a chemical change because you cant unbake it

d is a physicl change you could te your time and unmix it

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