Give reasons(a) Platinum, gold and silver are used to make jewellery.(

1.	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.
Answer» 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.

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.

Answer»

Give reasons

(a) Platinum, gold and silver are used to make jewellery.

(b) Sodium, potassium and lithium are stored under oil.

(d) Carbonate and sulphide ores are usually converted into oxides during the process of extraction.