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प्रश्न
What are the special properties of stainless steel?
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उत्तर
- Stainless steel is hard and strong.
- It does not corrode (rust).
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संबंधित प्रश्न
What is an alloy?
Tinning : Tin : : Galvanizing : _________
Explain why rusting of iron objects is faster in coastal areas than in deserts.
What is meant by galvanisation? Why is it done?
Name the metal which is used for galvanising iron.
A common metal which is highly resistant to corrosion is ______.
Compare roasting and calcination.
Explain with reason:
Roasting is carried out on sulphide ores and not on carbonate ores.
Answer the following question:
What is corrosion? Do gold ornaments corrode? Justify.
What is ‘rusting’?
Give a reason why rust turns moist red litmus blue.
Give reason for the following:
A suspension of rust is basic in nature.
Observe the following picture and answer the following questions:

- What is rust?
- Write the chemical formula of rust.
- Write the reaction of oxidation of iron at the anode.
- Write the reaction of oxidation of iron at the cathode.
- What is corrosion?
Find the correlation:
Bronze : ______ :: Tin : Cu+Zn.
Write scientific reason.
Coins are made from metals and alloys.
Complete flow chart given below.

Give the equation for the formation of rust.
Amalgam is an alloy of ____________.
Explain the chemical reactions in rusting of iron.
In ______ process a layer of molten tin is deposited on metals.
