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प्रश्न
The elements of group 11 are also called ______ metals.
रिकाम्या जागा भरा
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उत्तर
The elements of group 11 are also called coinage metals.
Explanation:
Group 11 elements include copper (Cu), silver (Ag), and gold (Au). They are called coinage metals because they have historically been used to make coins due to their lustre, resistance to corrosion, and malleability.
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