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anonymous

  • one year ago

A tree is chopped down, cut into pieces, and then burned. Which of the following shows the correct order of the changes that have occurred? physical, physical, physical physical, physical, chemical physical, chemical, chemical chemical, chemical, chemical Which of the following is an example of a chemical change? Element A is hammered into a thin sheet Element B is heated and turns into a liquid Element C turns rusty as it sits in air Element D is ground into a fine powder

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  1. sweetburger
    • one year ago
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    p, p, c so B.

  2. sweetburger
    • one year ago
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    Element C turning into rust is a chemical change

  3. anonymous
    • one year ago
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    oh thanks

  4. JoannaBlackwelder
    • one year ago
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    Chemical changes are changes that happen as a chemical reaction (neutralization, combustion, oxidation, etc.

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