Gold is mixed with copper to - Practice (English) | ObjectiveMcq

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Gold is mixed with copper to - Practice (English) | ObjectiveMcq

PracticeGeneral ScienceMetals And Non MetalsGold is mixed with copper to...

Metals And Non Metals General ScienceEasy

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Gold is mixed with copper to

Correct Answer:

(B) Make gold hard

Explanation:

Make gold hard

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