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Identify the odd one out: Zinc, Copper, Iron, Mercury
Zinc
Copper
Iron
Mercury
Mercury
Look at the physical state of the elements at room temperature; one of them is unique compared to the others.
Look at the physical state of the elements at room temperature; one of them is unique compared to the others.
Analyze the Elements
Examine the given metals: Zinc, Copper, Iron, and Mercury.
Identify Physical State at Room Temperature
Zinc, Copper, and Iron are solid metals under normal room temperature conditions, whereas Mercury is a liquid metal.
A: Zinc is incorrect because it is a solid metal at room temperature. B: Copper is incorrect because it is a solid metal at room temperature. C: Iron is incorrect because it is a solid metal at room temperature.
D is correct because Mercury is the only metal among the given options that exists in a liquid state at room temperature.
In classification questions involving elements or substances, always check physical states like solid, liquid, or gas at room temperature before looking at chemical properties.
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