Home
Class 10
CHEMISTRY
(i) What is meant by corrosion ? (ii) ...

(i) What is meant by corrosion ?
(ii) Why do aluminium sheets not corrode easily.
(iii) Why is copper vessel covered with a green coating in rainy season ?

Text Solution

Verified by Experts

(i) Slow eating of metals due to attack of atmospheric gases so as to convert the metal into its oxide, sulphide or carbonate etc. is called corrosion.
(ii) A protective layer is formed on its surface to prevent it from corrosion `(Al_(2)O_(3))`
(iii) Formation of copper oxide on ti from direct contact with air and moisture i.e., due to corrosion in copper.
Promotional Banner

Topper's Solved these Questions

  • METALS AND NON-METALS

    OSWAAL PUBLICATION|Exercise TOPIC - 2 Long Answer Type Questions|18 Videos

  • METALS AND NON-METALS

    OSWAAL PUBLICATION|Exercise NCERT CORNER (Intext Questions)|15 Videos

  • METALS AND NON-METALS

    OSWAAL PUBLICATION|Exercise TOPIC - 2 Short Answer Type Questions - I|17 Videos

  • CHEMICAL REACTIONS AND EQUATIONS

    OSWAAL PUBLICATION|Exercise NCERT CORNER (Textbook Exercises)|20 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    OSWAAL PUBLICATION|Exercise NCERT CORNER - TEXTBOOK EXERCISES|10 Videos

Similar Questions

Explore conceptually related problems

Why does a copper vessel devlop with green coating in rainy season ?

Give reasons for the following: a. Ionic compounds in general have high melting and boiling points. b. Highly reactive metals cannot be obained from their oxides by heating them with carbon. c. Copper vessel get a green coat when left exposed to air in the rainy season.

Why are aluminium and copper metals used for making cooking vessels ?

(i) Define corrosion . (ii) What is corrosion of iron called? (iii) How will you recognise the corrosion of silver? (iv) Why corrosion of iron is a serious problem ?

Aluminium or copper wires required for electric circuits are coated with a rubber like material. Why?