Corrosion

IMPORTANT

Corrosion: Overview

This topic covers concepts, such as Corrosion, Corrosion of Silver, Corrosion of Copper, Rusting of Iron, Factors Affecting Corrosion, Prevention of Corrosion, Painting and Oiling, Brass, Bronze, Solder, Wonders of Ancient Indian Metallurgy & Amalgam etc.

Important Questions on Corrosion

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IMPORTANT

Which elements are used for galvanization?

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Corrosion of copper gives rise to a green coating known as _____.

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An alloy that does not contain copper is:

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Which metal doesn't corrode easily?

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Which is the alloy of copper and tin?

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Silver articles become black on prolonged exposure to air. This is due to the formation of 

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Which is not a step of metallurgy?

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Which alloy is used in the preparation of statues?

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Underground pipes made of steel (alloy ofiron) can be protected from rusting if you attach metal block made of a-

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If copper is kept open in air, it slowly develops a green coating on its surface due to formation of

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Galvanisation is a method of protecting iron from rusting by coating with a thin layer of

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Silver articles become black on prolonged exposure to air.This is due to the formation of black coating of:

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Chemically rust is

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The rusting of iron articles can be prevented by

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Which of the following metals does not corrode?

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Which gas is produced when carbon reacts with steam at high temperature?

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Which gas is evolved when any active metal reacts with dilute sulphuric acid?

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A student puts one big iron nail each in four test tubes containing solutions of Zinc sulphate, Aluminium sulphate, Copper sulphate and Iron sulphate respectively. A reddish brown coating was observed only on the surface of iron nail which was put in the solution of
 

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Which of the following displacement reactions cannot occur?

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IMPORTANT

Which of the following oxide is amphoteric in nature?