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What would turn cobalt chloride paper yellow?
Cobalt chloride paper turns yellow when exposed to moisture or high humidity levels. This change in color indicates that the paper has absorbed water and undergone hydration, resulting in the yellow color.
Why gas turns cobalt chloride paper from blue to pink?
Gas molecules interact with the cobalt chloride paper, causing a chemical reaction that results in a change in the structure of the cobalt chloride molecule. This change in structure alters the way the molecule absorbs and reflects light, leading to the paper appearing pink instead of blue.
What is cobalt chloride paper in simple terms?
Cobalt chloride paper is a special kind of paper that changes color in the presence of moisture. When it comes into contact with water vapor, the paper turns from blue to pink. This color change makes it useful in detecting humidity levels or leaks in various settings like laboratories or classrooms.
What color does cobalt burn?
When cobalt burns, it typically produces a blue flame. This is due to the oxidation of cobalt ions, which emit light in the blue part of the spectrum.
How does cobalt chloride change with water?
Cobalt chloride can form different hydrate compounds when exposed to water, such as pink cobalt chloride hexahydrate or blue cobalt chloride dihydrate. These hydrates have different colors due to their varying water content.
