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प्रश्न
Two methods by which rusting of iron can be prevented are ______ and ______.
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उत्तर
Two methods by which rusting of iron can be prevented are painting and galvanization.
Explanation:
Painting creates a protective barrier, while galvanization involves coating iron with zinc to prevent rust.
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संबंधित प्रश्न
Why do we apply paint on iron articles?
Which metals do not corrode easily?
Explain why rusting of iron objects is faster in coastal areas than in deserts.
Explain why Iron sheets are coated with zinc during galvanization.
Name any three objects (or structures) which are gradually damaged by the corrosion of iron and steel.
Name the metal which is used for galvanising iron.
Why is an iron grill painted frequently?
No chemical reaction takes place when granules of a solid, A, are mixed with the powder of another solid, B. However when the mixture is heated, a reaction takes place between its components. One of the products, C, is a metal and settles down in the molten state while the other product, D, floats over it. It was observed that the reaction is highly exothermic.
(i) Based on the given information make an assumption about A and B and write a chemical equation for the chemical reaction indicating the conditions of reaction, physical state of reactants and products and thermal status of reaction.
(ii) Mention any two types of reactions under which above chemical reaction can be classified.
Answer the following question:
What is corrosion? Do gold ornaments corrode? Justify.
Give reason for the following:
A suspension of rust is basic in nature.
