Advertisements
Advertisements
Question
What are the special properties of stainless steel?
Advertisements
Solution
Special properties of stainless steel are:
- It is hard and strong.
- It does not corrode (does not rust).
These properties make it suitable for making utensils for cooking.
APPEARS IN
RELATED QUESTIONS
What is an alloy?
Explain the terms Corrosion
Two methods by which rusting of iron can be prevented are ______ and ______.
What type of chemical reaction is involved in the corrosion of iron?
Fill in the following blank with suitable word:
The corrosion of copper produces a .............. coating of basic copper carbonate on its surface
Name any two metals which do not corrode easily.
Name an alloy of copper. State its chemical composition and any one use.
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.
Explain how the activity series accounts for each of the following:
tendency to 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.
Which of the following method is used to prevent the accumulation of greenish layer on brass due to corrosion?
Corrosion of silver causes a black layer of _______.
Stainless steel is an alloy of _______.
Bronze : _______ : : Stainless steel : Fe + Cr + C
Match the columns.
| Group A | Group B |
| 1) Electroplating | a) Pressure cooker |
| 2) Anodising | b) Silver plated spoons |
| c) Coating of tin on copper | |
| d) Coating of Zinc on iron |
What is rust?
Observe the following diagram and write answers.

- Name the method.
- Explain the method.
- Give two examples of this method.
State two conditions necessary for rusting of iron.
