Hard water contains calcium and magnesium, which undergo oxidation and
clog water pipes. Which statement best describes this change as a chemical change?

A.Calcium and magnesium dissolve in water.

B.Calcium and magnesium evaporate on contact with the walls of the pipe.

C.Calcium and magnesium form precipitates of their respective oxides.

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Respuesta :

i think its c but im not entirely sure

It's C, calcium and magnesium form precipitates of their respective oxide