English

Name Any Three Objects (Or Structures) Which Are Gradually Damaged by the Corrosion of Iron and Steel. - Science

Advertisements
Advertisements

Question

Name any three objects (or structures) which are gradually damaged by the corrosion of iron and steel.

Solution

Following are the three objects that are damaged by corrosion:
(i) Iron railings
(ii) Ships
(iii) Bridges

shaalaa.com
  Is there an error in this question or solution?
Chapter 1: Chemical Reactions and Equations - Exercise 2 [Page 48]

APPEARS IN

Lakhmir Singh Chemistry (Science) [English] Class 10
Chapter 1 Chemical Reactions and Equations
Exercise 2 | Q 43.5 | Page 48

Video TutorialsVIEW ALL [2]

RELATED QUESTIONS

Write two methods of preventing the rusting of iron.


Which of the following methods is suitable for preventing an iron frying pan from rusting?


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


What is anodising? Give its applications.


State two conditions for the rusting of iron.


In one method of rust prevention, the iron is not coated with anything. Which is this method?


Fill in the following blank with suitable word:
The process of depositing a thin layer of zinc on iron articles is called .............


Fill in the following blanks with suitable words:
Tiffin boxes are electroplated with .............. but car bumpers are electroplated with ............... to protect them from rusting.


What are the constituents of stainless steel?


In stainless steel alloy, iron metal is mixed with:
(a) Cu and Cr
(b) Cr and Ni
(c) Cr and Sn
(d) Cu and Ni


A metal X which is resistant to corrosion is produced by the electrolysis of its molten oxide whereas another metal Y which is also resistant to corrosion is produced by the reduction of its oxide with carbon. Metal X can be used in powder form in thermite welding whereas metal Y is used in making cathodes of ordinary dry cells.
(a) Name the metals X and Y.
(b) Which of the two metals is more reactive : X or Y?
(c) Name one ore or metal X. Also write its chemical formula.
(d) Name one ore or metal Y. Also write its chemical formula.
(e) Name one alloy of metal X and one alloy of metal Y.


What are the adverse effects of corrosion?


Explain the term – rusting and give a word equation for the formation of rust. If polished iron nails are kept in three separate test tubes, state the contents in each test tube required, to prove the conditions for rusting.


Observe the following picture and answer the following questions:

  1. What is rust?
  2. Write the chemical formula of rust.
  3. Write the reaction of oxidation of iron at the anode.
  4. Write the reaction of oxidation of iron at the cathode.
  5. What is corrosion?

 _______ forms a green colour in the water.


Pressure cooker : Anodizing : : Silver plated spoons : _______


What is rust?


Copper objects lose their shine and form green coating of ____________.


Identify the correct statement from the following:


Describe two changes that are harmful. Explain why you consider them harmful. How can you prevent them?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×