Question

Explain how rusting is considered a loss to monetary value?




By reading the passage please give me correct answer
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Answer 1

Answer:

The answer to the given questions are as under-

Explanation:

Q1 Rusting is a-

b) chemical change

When substances are made of iron when exposed to environmental oxygen and moisture , rusting happens .It is a chemical change. Rusting removes that layer of material from the surface and makes the substance weak.

Q2 how can we prevent iron from rusting?

Rusting is  the chemical process in which there is a formation of red or orange coat on it's surface . Rusting is a part of corrosion.

Things which can be done  to prevent iron from rusting are-

• Using an Alloy. Many outdoor structures, like bridge, are made from steel to reduce the effects of rust.
• Applying  Oil on the surface of metal.
• Applying a Dry Coating on the metals .
• Storing metal Properly to prevent them from  rusting.
• Galvanizing of  metals is really important.

Q3 explain how rusting is considered loss to monetary value?

Rusting is considered loss to monetary value as we can see in India loses around 5-7 per cent of its Gross Domestic Product every year because of  corrosion, even  the International Zinc Association said  and also stressed upon the need for immediate and appropriate measures by authorities to control this  further damage.

At current prices ,  this damage of metals costs the U.S. economy  the loss of about $300 billion per year .One-third of  which could be reduced by application of corrosion-resistant materials and using   best corrosion-related technical practices.

Q4 to which city do u expect rusting problem -in delhi or in mumbai ? why?

Mumbai because there rain is  more  and when metal comes in contact of moisture it corrodes or gets rusted soon.

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Answer 2

Answer:

1) Chemical change

2) By galvanization

3) Losses of 5 to 7% have been observed in India due to corrosion

4) Mumbai

Explanation:

1) Rusting is an example of chemical change. When iron comes in contact with oxygen and water, results in the formation of iron rust (red in color). called rusting.

2) Methods of preventing iron surface from rusting:

• By applying oil
• By applying dry coating
• Use alloy  
• Paint the iron surface
• Galvanization

3) Rusting is considered a loss to monetary value:

• In India losses are around 5 to 7 percent for every year in Gross domestic production  
• Corrosion is a major problem and authorities have to prevent further damage

4) Rusting is a major problem in Mumbai

REASON: Because of more rain in Mumbai, iron surface comes in contact with water, led to increased rate of rusting.

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