How Might Electrolysis Be Used to Raise the Hull of a Sunken

question 36

Multiple Choice

How might electrolysis be used to raise the hull of a sunken ship?

• A)An electric current passed through the hull of the ship would produce electrolysis and the gases trapped in the compartments of the vessel would push it upwards.
• B)The electrolysis of the water beneath the hull of the ship would boil the water and create upward pressure,thus buoying the ship upward.
• C)The gaseous products of the electrolysis of water could be collected with large bags attached to the hull of the ship.As the bags inflate with the gas they are buoyed upward pulling the ship also upward.
• D)Electrolysis could only be used to raise the hull of a ship if the ship were made of iron.If so,the electrolysis of the iron metal might produce enough gas to lift the ship.

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