Indicate for the examples below if the change is physical (P) or chemical (C). 31) rocks are ground into gravel ____ 41) a hamburger is grilled ____ 32) concrete cures to a solid mass ____ 42) molten copper forms a penny ____ 33) frost forms on a cold window ____ 43) a candle is burned ____ 34) milk turns sour ____ 44) sugar is dissolved in hot coffee ____ 35) lightbulb generates light ____ 45) an iron railing rusts ____ 36) leaves change color in the fall ____ 46) a shaken soda overflows on opening ____ 37) sunlight yellows white paint ____ 47) compost heap is warm to the touch ____ 38) a volcano erupts ____ 48) a sunset creates a red-orange sky ____ 39) heated sugar forms caramel ____ 49) corn mash ferments (for bourbon) ____
Indicate for the examples below if the change is physical (P) or chemical (C).
31) rocks are ground into gravel ____ 41) a hamburger is grilled ____
32) concrete cures to a solid mass ____ 42) molten copper forms a penny ____
33) frost forms on a cold window ____ 43) a candle is burned ____
34) milk turns sour ____ 44) sugar is dissolved in hot coffee ____
35) lightbulb generates light ____ 45) an iron railing rusts ____
36) leaves change color in the fall ____ 46) a shaken soda overflows on opening ____
37) sunlight yellows white paint ____ 47) compost heap is warm to the touch ____
38) a volcano erupts ____ 48) a sunset creates a red-orange sky ____
39) heated sugar forms caramel ____ 49) corn mash ferments (for bourbon) ____
40) bread dough rises from yeast ____ 50) salt air attacks a bridge’s steel I-beam ___
![](/static/compass_v2/shared-icons/check-mark.png)
Step by step
Solved in 3 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
![Introduction to General, Organic and Biochemistry](https://www.bartleby.com/isbn_cover_images/9781285869759/9781285869759_smallCoverImage.gif)
![Chemistry: The Molecular Science](https://www.bartleby.com/isbn_cover_images/9781285199047/9781285199047_smallCoverImage.gif)
![General, Organic, and Biological Chemistry](https://www.bartleby.com/isbn_cover_images/9781285853918/9781285853918_smallCoverImage.gif)
![Introduction to General, Organic and Biochemistry](https://www.bartleby.com/isbn_cover_images/9781285869759/9781285869759_smallCoverImage.gif)
![Chemistry: The Molecular Science](https://www.bartleby.com/isbn_cover_images/9781285199047/9781285199047_smallCoverImage.gif)
![General, Organic, and Biological Chemistry](https://www.bartleby.com/isbn_cover_images/9781285853918/9781285853918_smallCoverImage.gif)
![Introductory Chemistry: An Active Learning Approa…](https://www.bartleby.com/isbn_cover_images/9781305079250/9781305079250_smallCoverImage.gif)
![Introductory Chemistry: A Foundation](https://www.bartleby.com/isbn_cover_images/9781337399425/9781337399425_smallCoverImage.gif)
![Chemistry & Chemical Reactivity](https://www.bartleby.com/isbn_cover_images/9781337399074/9781337399074_smallCoverImage.gif)