Anhydrous cobalt chloride is used for detecting water leakages because it turns
from on hydration.

blue; white

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blue; pink

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pink; blue

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pink; white

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Solution

The correct option is B blue; pink
When anhydrous cobalt chloride comes in contact with water, it colour changes from blue to pink.
With this property we can detect water leakages from pipes.

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Anhydrous cobalt chloride is used for detecting water leakages because it turns from on hydration.​

The correct option is B blue; pink​When anhydrous cobalt chloride comes in contact with water, it colour changes from blue to pink. With this property we can detect water leakages from pipes.

Anhydrous cobalt chloride is used for detecting water leakages because it turns
from on hydration.

The correct option is B blue; pink
When anhydrous cobalt chloride comes in contact with water, it colour changes from blue to pink.
With this property we can detect water leakages from pipes.