Properties of Matter A student has two metal nails that are each made of a pure substance. Which of the following would help the student determine if
the nails are made of the same pure substance?
A measuring the differences in their length
OB. dropping each nail into a different liquid and observing whether the nails sink or float
OC.
placing the nails on a balance to measure their mass
OD
observing whether the nails corrode at different rates when exposed to the same salt solution
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