135k views
3 votes
All of the following require breaking and forming chemical bonds except

rusting a nail

smashing a rock

baking a cake

burning wood

User Krad
by
8.4k points

1 Answer

2 votes
I think it is smashing a rock. I am not 100% sure. But since it is just crushing it into smaller pieces it does not do anything chemical reaction. Hope this helps :)
User Dung Nguyen
by
7.9k points