Question

Percentage of gold in rolled gold is

Answer 1

Answer:

90%

Explanation:

Percentage of Cu in rolled gold is 90%. Rolled gold is a hybrid material, consisting of a thin layer of gold that's mechanically bonded to one or both sides of a base metal. It is an alloy of copper and zinc used to imitate gold

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Answer 2

Answer:

90 °/°

Explanation:

percent of gold rolled is 90......

gold is hybrid materials....and also thin layer...

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