Answer: A
Explanation: the only way to turn it from blue to yellow is to mix it with an acidic solution.
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Chlorine (Cl) forms a salt when it is combined with a metal. This element belongs in halogens. GROUP 17
The 02 is a solid. I hope thus helped you :)
With high cholesterol, you can develop fatty deposits in your blood vessels. Eventually, these deposits grow, making it difficult for enough blood to flow through your arteries. Sometimes, those deposits can break suddenly and form a clot that causes a heart attack or stroke.