Which of the following is a chemical reaction?

Biology

2 answers:

sergejj [24]2 years ago

6 0

Answer: D. Iron rusts

Explanation: Rust is made from different chemicals in the air that come in contact with said metal. That could be acidic rain for example. Water freezing is only changing temperature. Sugar dissolving is breaking down molecules. Salt and pepper mixed in a dish is a physical change (also that's just plain evil to some people but that isn't the point). Your answer will be D. Iron rusts.

Hope this helps!

Scrat [10]2 years ago

4 0

Answer:

i think it is d

Explanation:

sorry if wrong

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