Assertion: magnesium sulfate's magnesium | /r/HasProperty | act as a sacrificialelectrode
Facets:
value: as a 'sacrificial' electrode
type: MANNER
Source sentences:
text: Because it is an electropositive metal, magnesium can be act as a 'sacrificial' electrode to protect iron and steel structures because it corrodes away preferentially when they are exposed to water which otherwise would cause rusting