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Rusting

Explain how p...

Question

Explain how painting of an iron gate prevents it from rusting.

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Solution

Rusting is aided by both moisture (water) and air (oxygen). By painting an iron gate, we prevent its contact from the air and moisture present in the atmosphere. Hence, rusting is prevented.

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Question 9
Explain how the painting of an iron gate prevents it from rusting.

(a) What is rust? Give the equation for the information of rust.

(b) State two conditions necessary for rusting of iron?

(c) How does the painting of an iron object prevent rusting?

Q. Iron can be protected from rusting by coating with zinc. How does it prevent oxidation of iron?

Q. For prevention of rusting of iron which of the following is used in paints?

Q. (a) How does the painting of an iron object prevent its rusting?
(b) How does the electrical conductivity of copper alloys, brass and bronze, differ from that of pure copper?
(c) What is meant by 22 carat gold? Name the metals which are usually alloyed with gold to make it harder.

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