Question

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​

Answer 1

Answer:

1 CuO 2 Fe3Cl2 3 NaOH 4 FeS 5 PbO 6 HNO3 7 H2SO4 8Ca(OH)2. 9 MgCO3 10 Al2Cl3

Answer 2

Answer:

1. cuo 2. Fe3CI2. c. Naolt