Question

Why do gold and platinum not corrode in moist air?

Answer 1

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Answer 2

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1. Gold is a nobel metal. There is no effect of moist air or action of acid on it at any temperature.

2. Pure gold is a very soft metal, it breaks and gets bent easily. Hence, in gold ornaments, gold is alloyed with other metals like copper or silver in appropriate proportion to make it hard and resistant to corrosion.

Hence, gold ornaments do not get corroded.

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