Virtual Labs

a: At which the reaction is heated depends on the boiling points of the solvents b: At which the reaction is heated depends on the boiling points of the solute c: At which the reaction is heated depends on the boiling points of the solution d: At which the reaction is heated depends on the boiling points of the mixture

Chemical Oxygen demand (COD) measures the

a: Amount of oxygen required for growth of microorganisms in water b: Amount of oxygen required to oxidize the calcium present in waste water c: Amount of oxygen that would be removed from the water in order to oxidize pollution d: All of the above

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