Solutions

Gap-fill exercise

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. substances are used as drying agents.
2. Hygroscopic substances absorb moisture without changing their state.
3. Deliquescent substances lose their shape.
4. On heating, hydrated crystalline salts lose their .
5. The number of water molecules in blue vitriol is .
6. Mass percentage is to temperature.
7. The number of water molecules in magnesium sulphate heptahydrate is .
8. Zinc dissolved in copper is an example of solution.
9. and are in the form of solution to decide the physiological activity of human beings.
10. Based on the amount of solute, the solution is classified into types.