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=

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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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