plz tell me answer of this plz help me
Answers
Answer:
Platinum, gold and silver are used to make jewellery because of their bright shiny surface and high resistance to corrosion. Also they have high malleability and ductility. ... This layer prevents the metal underneath from further corrosion.
Answer:
Platinum, gold and silver are used to make jewellery because of their bright shiny surface and high resistance to corrosion. Also they have high malleability and ductility.
Explanation:
Platinum is a naturally white precious metal and has several properties that make it a preferred jewellery material. Among the main advantages of using platinum for jewellery are its strength and resistance to tarnish, both of which make it the ideal setting for diamonds and other gemstones.
Gold is used as a metal in fine jewellery because it has a noble nature and does not react with the skin. Pure gold can't be used directly in jewellery, that's why it is mixed with other metals so that it becomes durable. Gold in measures in 'karats'. 24Karat gold is considered 100% pure gold.
Silver Have lustre ,and these are less reactive, these metals cannot react with air water and acids and these metals are malleable and ductile. Due to these properties these metals are called noble metals and they are used in jewelers