ICSE Class 10: Chemical Properties of Metals Videos | Displacement reaction

• How can rusting of metals be prevented?
• What is bessemerisation and anneling? 
• why 'the food containing iron salts'sholud not be cooked in aluminium utensils.
• Give reason why roasting is carried out on sulphide ores and not on carbonate ores
• reacvity series and chemical compound explain

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