Question 12 (a) Give reason why platinum, gold and silver are used to make jewellery?
Platinum, gold, and silver are used to make jewellery because they are very lustrous. Also, they do not react with air or oxygen and do not corrode easily.
Platinum, gold and silver are used to make jewellery and are often termed as ___.
Give reason for the following : Silver, gold and platinum are used to make jewelery.
Give reasons
(a) Platinum, gold and silver are used to make jewellery.
(b) Sodium, potassium and lithium are stored under oil.
(c) Aluminium is a highly reactive metal, yet it is used to make utensils for cooking.
(d) Carbonate and sulphide ores are usually converted into oxides during the process of extraction.