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प्रश्न
An iron nail is kept in each of the following liquids. In which case would it lose its shine and appear dull?
विकल्प
Mustard oil
Soft drink
Coconut oil
Kerosene
उत्तर
Soft drink
Explanation -
Soft drinks contain water, carbon dioxide and acid due to which iron nail is corroded and appears dull.
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