Question

b) Gold, Silver and Platinum are used for making jewellery
even though copper is very lustrous. Why is copper not used in
making jewellery​

Answer 1

Answer:

As we know copper has higher reactivity than gold silver and platinum, it can get degraded and lose its shine. Also copper is relatively less malliable.

Answer 2

Explanation:

copperis tough but not strong enough to pair with jewellery that's why coper is mixed with other metalsinclidig tin and zinc to strengthen it