Metals X and Y can be recovered from the anode mud left behind after the electrolytic refining of copper metal. The coins made of metal X look new even after several years of use but the coins made of metal Y lose their shine gradually and get blackened soon. When metal X is alloyed with a small amount of metal Y, it becomes hard and hence suitable for making ornaments. What are metals X and Y? Also state the colour of metal X.
When metal X is alloyed with a small amount of metal Y, it becomes hard and hence suitable for making ornaments the metal X is gold and the metal Y is silver. The colour of the of gold is yellow.
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