Iron Filing reacts with Oxygen, Name the product(s )of this reaction *
1.Iron Dioxide
2.Iron Chloride
3.Iron oxide and Hydrogen gas
4.Iron oxide only
2.Sara forgot her metallic ring in a cup of water the ring survived (did Not react). What are the metals that form her ring? *
1.Iron - Lead - Zinc
2.calcium - magnesium - Barium
3.potassium -sodium - lithium
4.gold - silver- copper