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प्रश्न
Galvanisation is a process used to prevent the rusting of which of the following?
विकल्प
Iron
Zinc
Aluminium
Copper
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उत्तर
Iron
Explanation:
During galvanisation, iron is coated with zinc in order to prevent it from rusting.
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संबंधित प्रश्न
What is an alloy?
______ and ______ are necessary for the rusting of iron.
Name five methods of preventing rusting of iron.
Name an alloy of copper. State its chemical composition and any one use.
In stainless steel alloy, iron metal is mixed with ______.
Bronze is an alloy of ______.
Answer the following question.
a) What is meant by corrosion?
b) Write names of any two methods of prevention of corrosion.
c) In which method, metal like copper, aluminium are coated with a thin layer of their oxides by means of electrolysis.
d) Explain this method with diagram.
State whether the statement given below is true or false. If false write the correct statement.
Either oxygen or moisture is essential for rusting.
Find the correlation:
Bronze : ______ :: Tin : Cu+Zn.
Identify the correct statement from the following:
