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How can you detect hardness of water collected from different sources​
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How can you detect hardness of water collected from different sources​

User Brunns
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We can detect the hardness of water taken from different sources by adding soap to it. If the soap does not form micelle in the water then it will be hard water. In simple language if the soap doesnot disslove in water then it will be soft water.
User Kalpesh Panchasara
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