Write the molecular formulae of:

1. Copper oxide

2. Iron (III) chloride

3. Sodium hydroxide

4. Iron (II) sulphide

5. Lead (II) oxide

6. Hydrogen nitrate (nitric acid)

7. Hydrogen sulphate (sulphuric acid)

8. Calcium hydroxide

9. Magnesium carbonate

10.Ammonium carbonate


1 Answer

Answer :

1. Copper oxide – CuO

2. Iron (III) chloride – FeCl3

3. Sodium hydroxide – NaOH

4. Iron (II) sulphide – FeS

5. Lead (II) oxide – PbO

6. Hydrogen nitrate (nitric acid) – HNO3

7. Hydrogen sulphate (sulphuric acid) – H2SO4

8. Calcium hydroxide – Ca(OH)2

9. Magnesium carbonate – MgCO3

10.Ammonium carbonate – (NH4)2CO3

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