An old iron battery was discarded in this meadow. As time passes, the iron begins to undergo a chemical change when the iron rea
cts with the oxygen in the air. The evidence that a chemical change has occurred in this example is that A) rusting releases a gas.
B) rusting produces water.
C) rusting produces a new substance.
D) none of these changes are occurring.
I need a correct answer plz!
Its C. W<span>hen rust forms on iron, the iron atoms combine with oxygen atoms in the air to form a new substance that is made of both iron and oxygen. Hope this helps!</span>
4 possible answers: 1: the initial temperature was not hot enough. 2: the protein did not congeal properly. 3: the yeast continued to ferment during baking. 4: the dough was overfermented prior to baking.
