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प्रश्न
Two methods by which rusting of iron can be prevented are ______ and ______.
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उत्तर
Two methods by which rusting of iron can be prevented are painting and galvanization.
Explanation:
Painting creates a protective barrier, while galvanization involves coating iron with zinc to prevent rust.
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संबंधित प्रश्न
What are alloys?
In one method of rust prevention, the iron is not coated with anything. Which is this method?
What is meant by 'rusting of iron'? With the help of labelled diagrams, describe an activity to find out the conditions under which iron rusts.
Answer the following question.
List two properties of alloys.
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?
_______ is an alloy made from iron, carbon and chromium.
When one of the metals in an alloy is mercury the alloy is called _______.
Find the odd one out and give its explanation.
State two conditions necessary for rusting of iron.
Describe two changes that are harmful. Explain why you consider them harmful. How can you prevent them?
