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प्रश्न
Choose the correct alternative and rewrite the following:
Iron is _____________________.
पर्याय
More reactive than Zn.
more reactive than Al.
less reactive than Cu.
less reactive than Al.
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उत्तर
less reactive than Al
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संबंधित प्रश्न
Give two examples of alloys with their chemical composition.
Write two methods of preventing the rusting of iron.
Explain the term corrosion.
State two conditions for the rusting of iron.
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In stainless steel alloy, iron metal is mixed with ______.
If copper is kept exposed to damp air for a considerable time, it gets a green coating on its surface. This is due to the formation of ______.
Brass is an alloy of ______.
What is done to prevent corrosion of metals?
What are the adverse effects of corrosion?
Answer the following question.
List two properties of alloys.
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Write scientific reason.
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Complete flow chart given below.

Observe the following diagram and give answers.

- Name this method of prevention of corrosion.
- For prevention of which metal this method is used?
- What is used as anode in this method?
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