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Give Reasons Why Copper is Used to Make Hot Water Tanks and Not Steel (An Alloy of Iron). - Science

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 Give reasons why copper is used to make hot water tanks and not steel (an alloy of iron).

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Solution

Copper does not react with cold water, hot water, or steam. However, iron reacts with steam. If the hot water tanks are made of steel (an alloy of iron), then iron would react vigorously with the steam formed from hot water.3Fe + 4H2O → Fe3O4 + H2O
That is why copper is used to make hot water tanks, and not steel.

Concept: Physical Properties of Metals
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APPEARS IN

NCERT Class 10 Science
Chapter 3 Metals and Non-metals
Q 16 | Page 57
Lakhmir Singh Class 10 Chemistry (Science)
Chapter 3 Metals and Non-metals
Q 34.1 | Page 192
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