Chemistry
Related Questions
The number of carbon atoms in a hydrogen carbonate radical is
- one
- two
- three
- four
The formula of iron (III) sulphate is
- Fe3SO4
- Fe(SO4)3
- Fe2(SO4)3
- FeSO4
The formula of sodium carbonate is Na2CO3 and that of calcium hydrogen carbonate is
- CaHCO3
- Ca(HCO3)2
- Ca2HCO3
- Ca(HCO3)3
The correct atomic symbols for carbon, calcium, copper and cadmium respectively are:
- Ca, C, Cu, Cd
- Ca, C, CO, Cd
- C, Ca, Cu, Cd
- Ca, Cl, Co, Cd