Advertisements
Advertisements
प्रश्न
In one method of rust prevention, the iron is not coated with anything. Which is this method?
Advertisements
उत्तर
Alloying of iron with chromium and nickel to produce stainless steel (that does not corrode) is one method where iron is not coated with anything.
APPEARS IN
संबंधित प्रश्न
What is an alloy?
Explain the terms Corrosion
Explain why rusting of iron objects is faster in coastal areas than in deserts.
Write a chemical equation to show the process of corrosion of iron.
What type of chemical reaction is involved in the corrosion of iron?
Explain why, when a copper object remains in damp air for a considerable time, a green coating is formed on its surface. What is this process known as?
Bronze is an alloy of ______.
What is corrosion? What are necessary conditions for corrosion?
State under what conditions corrosion is faster ?
Answer the following question:
What is corrosion? Do gold ornaments corrode? Justify.
What is "rusting"? Describe with a labelled diagram an activity to investigate the conditions under which iron rusts.
Answer the following question.
List two properties of alloys.
Rusting of iron : Fe2O3 : : corrosion of copper : ______
Marble’s popularity began in ancient Rome and Greece, where white and off-white marble were used to construct a variety of structures, from hand-held sculptures to massive pillars and buildings.
The substance not likely to contain CaCO3 is:
Alloys are homogeneous mixtures of a metal with a metal or nonmetal. Which among the following alloys contain non-metal as one of its constituents?
A man painted his main gate made up of iron, to
- prevent it from rusting.
- protect it from sun.
- make it look beautiful.
- make it dust free.
Which of the above statement(s) is/are correct?
Give an example of a chemical reaction for the following situation:
Sound is produced
Gold plated ornaments is the example of ______.
In ______ process a layer of molten tin is deposited on metals.
