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.
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Answer:
- metal X is pure Gold
- metal Y is Copper
Explanation:
copper reacts with atmospheric oxygen so it's metallic lustre loses
gold doesn't react with oxygen so it can be shine even after years
the color of the Gold is Metallic Gold
a cousin color of yellow and brown
the color of copper is brown
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Metals X and Y are pure gold and copper. The colour of metal X (gold) is yellow.
Explanation:
- From the question, it is understood that when metal X is alloyed with metal Y, ornaments can be formed.
- From this, we can conclude that metal X is gold and metal Y is copper. When copper reacts with oxygen in air, it loses its metallic lustre and gets blackened soon. But gold doesn’t react with oxygen in air, hence it shines even after many years.
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