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प्रश्न
Name any three objects (or structures) which are gradually damaged by the corrosion of iron and steel.
उत्तर
Following are the three objects that are damaged by corrosion:
(i) Iron railings
(ii) Ships
(iii) Bridges
APPEARS IN
संबंधित प्रश्न
Explain why rusting of iron objects is faster in coastal areas than in deserts.
The chemical reaction involved in the corrosion of iron metal is that of:
(a) oxidation as well as displacement
(b) reduction as well as combination
(c) oxidation as well as combination
(d) reduction as well as displacement
What is corrosion?
Name any two metals which do not corrode easily.
Name two metals which resist corrosion due to the formation of a thin, hard and impervious layer of oxide on their surface.
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
Explain how the activity series accounts for each of the following:
tendency to corrosion
What is corrosion? What are necessary conditions for corrosion?
Identify the process shown in the diagram and explain it in short
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.
_______ is an alloy made from iron, carbon and chromium.
Which of the following method is used to prevent the accumulation of greenish layer on brass due to corrosion?
Find the odd one out and give its explanation.
Find the odd one out and give its explanation.
What is rust?
The process of coating the surface of the metal with a thin layer of zinc is called ______
What is rust?
Amalgam is an alloy of ____________.
State whether the following statements are true or false:
Ships suffer a lot of damage though they are painted.
Explain the chemical reactions in rusting of iron.
