Question

what is formed when natural materials undergo a chemical reaction?

the same material at a different state

the same material with a different color

a new material

a different material at the same state

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Explanation:

A chemical reaction involves the rearrangement of atoms, resulting in the formation of substances with different chemical properties (new materials). Changes in state (like solid to liquid) or color are physical changes, not chemical reactions' main outcome. So the correct option is the one about a new material.

Answer:

C. a new material