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| 1. |
Give reason why copper is used to make Jewellery in pointwise |
| Answer» \tPure gold is very soft and it is not used for making jewellery.\tCopper or silver is added to pure gold to make it hard.\xa0\tPure gold is called 24 carat gold. This is alloyed with silver or copper to make it hard.\tGenerally 22 carat gold is called ornamental gold which is used for making ornaments.\t22 carats gold contain 22 parts of pure gold and 2 parts of either copper or silver. | |