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ChemistryElectrochemistryGalvanic cells/Nernst Equation/Concentration CellsEasy2 minPYQ_2020
ChemistryEasysingle choice

The time required to coat aluminium metal on the surface of a square plate of length20cmabout5mmthickness on both sides by using moltenAlCl3solution and10Acurrent is nearly [Specific gravity of Al=1.8 g  mL −1 ]

Options:

Answer:
B
Solution:

m=20×20×0.5×2×1.8=720gm;

m=996500×10×t

t=214.44hr

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:ElectrochemistrySubtopic:Galvanic cells/Nernst Equation/Concentration Cells
⏱ 2mℹ️ Source: PYQ_2020

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