Chemistry - Electrochemistry Question with Solution | TestHub

ChemistryElectrochemistryGalvanic cells/Nernst Equation/Concentration CellsEasy2 minPYQ_2017
ChemistryEasysingle choice

Blocks of magnesium are fixed to the bottom of a ship to

Options:

Answer:
D
Solution:

Block of magnesium prevents the action of water and salt of iron (of ship) by sacrificing itself.

This is method of protection of ship (i.e. of iron), known as sacrificial protection. 

It prevents corrosive action of water and salt by providing cathodic protection.

Stream:BITSATSubject:ChemistryTopic:ElectrochemistrySubtopic:Galvanic cells/Nernst Equation/Concentration Cells
2mℹ️ Source: PYQ_2017

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