Question

. A huge amount of money is spent every year in replacing rusted parts of ships. Which of the following leads to rusting of ships? *

1) The base of the ship is always in contact with water

2) The surrounding air is very humid

3) The presence of salt in sea water speeds up the process of rusting

4) All of these

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Answer 1

Answer:

3.The presence of salt in sea water speeds up the process of rusting

Explanation:

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Answer 2

The right reason that leads to rusting of ships is option 4: All of these.

• Rusting of metal components is a phenomenon that occurs as a result of a chemical interaction between the exterior metal surface and oxygen in the air, as well as moisture around the object.
• Ships that stay in the sea rust rapidly and significant sums of money are spent to replace their components. This rusting occurs often because the base is in constant touch with water, which assists in the chemical process that causes the rusting of its pieces.
• Because of the heat of the sun and the evaporation that occurs, the region of the sea remains humid, resulting in a humid climate. As a result, the atmosphere is likewise humid, with a lot of moisture in touch with it.
• In addition, the seawater is salty, which accelerates the process.
• Therefore, all of the factors cause ship components to rust.