Question : Which of the following metals occurs in a free state?
Option 1: Copper
Option 2: Iron
Option 3: Zinc
Option 4: Lead
Correct Answer: Copper
Solution : The correct answer is Copper.
Copper exists in nature in a relatively pure or free condition. Copper nuggets and deposits of native copper have been discovered all over the world. However, while copper can occur in very pure form, the majority of the world's copper is derived from copper ores through mining and extraction methods.
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