explain why iron carrying water are coated with zinc
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Iron reacts with water and air/ moisture to form rust. In order to prevent rusting, Zinc is used as a sacrificial metal. Zinc is more reactive than Iron. Zinc forms a protective layer of zinc hydroxide which prevents or at least slows down rusting.
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Hey!
Iron implements that are meant for carrying water are usually coated with zinc because iron has a tendency to react with oxygen. After it reacts with moisture, it forms a reddish substance called rust, and is actually iron oxide.
Rust makes the iron weak and reduces its durability by a high rate. Zinc, on the other hand, doesn't react with water. So, to prevent iron implements carrying water are coated with a layer of Zinc to prevent water from reacting with iron and eventually breaking it.
Iron implements that are meant for carrying water are usually coated with zinc because iron has a tendency to react with oxygen. After it reacts with moisture, it forms a reddish substance called rust, and is actually iron oxide.
Rust makes the iron weak and reduces its durability by a high rate. Zinc, on the other hand, doesn't react with water. So, to prevent iron implements carrying water are coated with a layer of Zinc to prevent water from reacting with iron and eventually breaking it.
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