1.

(a) oxygen?12. Give reasonsPlatinum, gold and silver areused to make jewellery.Sodium, potassium andlithium are stored under oil.Aluminium is a highly reactivemetal, yet it is used to makeutensils for cooking.Carbonate and sulphide oresare usually converted intooxides during the process ofextraction.​

Answer»

ong>Answer:

  1. platinum gold and silver used making JEWELLERY because these METAL cannot react with moisture and oxygen .
  2. sodium and potassium STORED under soil because in open it catches fire immidiately


Discussion

No Comment Found

Related InterviewSolutions