Question

Which of the follwing are not compound chlorine gas, potassium chloride, iron pwoer, iron sulphide, aluminium foil, idoine vapour, graphite, carbon monoxide, sulphur power, diamond

Answer 1

Substances which are not compound are:-

1-Chlorine Gas
2-Iron Powder
3-Iodine Vapour
4-Graphite 
5-Aluminium foil
6-Diamond
7-Sulphur Powder

Answer 2

Substances which are not compound are Chlorine Gas, Iron Powder, Iodine Vapour, Graphite, Aluminium foil, Diamond and Sulphur Powder

Please mark it brainiest answer............................................................................