Reaction of metal with acid — task. Chemistry CBSE Live product, Class 10.

Identify the correct answer:

A jeweler places a gold ring in dilute \(HCl\) and observes no reaction. However, when the ring is placed in aquaregia, it begins to dissolve. What is the reason?

Gold is reactive with water, not acids
\(HCl\) alone is strong enough but reacts slowly
Aquaregia oxidises gold due to its strong acidity and oxidising nature
Gold reacts with oxygen in air, not acids

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4. Reaction of metal with acid

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