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The ppm is one part of calcium carbonate equivalent hardness is present in __________ of water.(a) One(b) One million(c) One billion(d) One trillionThis question was addressed to me by my college professor while I was bunking the class.My question comes from Problems, Units and Formulae topic in chapter Water of Applied Chemistry

Answer» RIGHT option is (B) One million

Easy EXPLANATION: The ppm is one part of calcium carbonate equivalent HARDNESS is present in the one million parts of water.


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