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प्रश्न
Why do gold ornaments look new even after several years of use?
उत्तर १
Gold is the most unreactive metal, so it does not react with air, water, or other gases in the atmosphere. Therefore, gold does not corrode, which is why it looks new after several years of use.
उत्तर २
Gold, being the least reactive, does not react with atmospheric reagents.
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संबंधित प्रश्न
Name two metals whose melting points are so low that they melt when held in the hand.
Name a metal used as a thermometric liquid
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Tick (√) the most appropriate answer.
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`Na _____ → Na^+`
Name:
a metal whose oxide is reduced only by carbon
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Which metal occurs as an oxide also gives the name of their respective ore.
