Give two examples for each of the following:

1. Hydrated substances
2. Crystalline anhydrous substances
3. Drying agents
4. Deliquescent substances
5. Efflorescent substances
6. Colloids
7. Solvents other than water

1. Blue vitriol (CuSO₄.5H₂O), Washing soda (Na₂CO₃.10H₂O)
2. Common salt (NaCl), Potassium nitrate (KNO₃)
3. Quicklime (CaO), Anhydrous calcium chloride (CaCl₂)
4. Caustic soda (NaOH), Magnesium chloride (MgCl₂)
5. Washing soda (Na₂CO₃.10H₂O), Glauber's salt (Na₂SO₄.10H₂O)
6. Milk, blood
7. Alcohol, Carbon tetrachloride