Given the following list of substances, classify them in two ways:
(1) For STATE choose gas, liquid or solid (2) For TYPE choose element, compound or mixture
Then press CHECK

SUBSTANCE	(1) STATE	(2) TYPE
1. sodium chloride	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
2. iron	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
3. air	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
4. mercury	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
5. steel	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
6. water	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
7. vinegar	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
8. copper sulphate	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
9. helium	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
10. carbon dioxide	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
11. brick	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
12. FeS	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
13. Br2	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
14. NaCl	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
15. red polythene	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
16. milk	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
17. Mg	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid
18. O2	compoundelementgasliquidmixturesolid	compoundelementgasliquidmixturesolid