1. © NTScience.co.uk 2005KS3 Unit 7h - Solutions1 Solutions

2. © NTScience.co.uk 2005KS3 Unit 7h - Solutions2 Q1. What is the most common solvent, necessary for life, called?

3. © NTScience.co.uk 2005KS3 Unit 7h - Solutions3 A1. Water

4. © NTScience.co.uk 2005KS3 Unit 7h - Solutions4 Q2. Name a solvent that is also used as a fuel for cars

5. © NTScience.co.uk 2005KS3 Unit 7h - Solutions5 A2. Petrol

6. © NTScience.co.uk 2005KS3 Unit 7h - Solutions6 Q3. What do you call two or more substances which are together but not chemically combined?

7. © NTScience.co.uk 2005KS3 Unit 7h - Solutions7 A3. Mixture

8. © NTScience.co.uk 2005KS3 Unit 7h - Solutions8 Q4. What do you call a liquid that contains a dissolved solid?

9. © NTScience.co.uk 2005KS3 Unit 7h - Solutions9 A4. Solution

10. © NTScience.co.uk 2005KS3 Unit 7h - Solutions10 Q5. What do you call a substance that can dissolve in a liquid?

11. © NTScience.co.uk 2005KS3 Unit 7h - Solutions11 A5. Soluble

12. © NTScience.co.uk 2005KS3 Unit 7h - Solutions12 Q6. What do you call the liquid in which a substance can dissolve?

13. © NTScience.co.uk 2005KS3 Unit 7h - Solutions13 A6. Solvent

14. © NTScience.co.uk 2005KS3 Unit 7h - Solutions14 Q7. What do you call a substance that cannot dissolve in a particular liquid?

15. © NTScience.co.uk 2005KS3 Unit 7h - Solutions15 A7. Insoluble

16. © NTScience.co.uk 2005KS3 Unit 7h - Solutions16 Q8. What process do we use to separate colours in an ink, for example?

17. © NTScience.co.uk 2005KS3 Unit 7h - Solutions17 A8. Chromatography

18. © NTScience.co.uk 2005KS3 Unit 7h - Solutions18 Q9. Name an alcohol present in beer, wine and spirits?

19. © NTScience.co.uk 2005KS3 Unit 7h - Solutions19 A9. Ethanol

20. © NTScience.co.uk 2005KS3 Unit 7h - Solutions20 Q10. Name the mixture of gases that forms the Earth’s atmosphere?

21. © NTScience.co.uk 2005KS3 Unit 7h - Solutions21 A10. Air

22. © NTScience.co.uk 2005KS3 Unit 7h - Solutions22 Q11. What do you call a solution when no more substance will dissolve in it?

23. © NTScience.co.uk 2005KS3 Unit 7h - Solutions23 A11. Saturated

24. © NTScience.co.uk 2005KS3 Unit 7h - Solutions24 Q12. What process do we use to separate liquids which have different boiling points?

25. © NTScience.co.uk 2005KS3 Unit 7h - Solutions25 A12. Distillation

26. © NTScience.co.uk 2005KS3 Unit 7h - Solutions26 Q13. What process do we use to separate insoluble solids from a liquid?

27. © NTScience.co.uk 2005KS3 Unit 7h - Solutions27 A13. Filtration

28. © NTScience.co.uk 2005KS3 Unit 7h - Solutions28 Q14. What do we call the amount of a substance that dissolves per litre of solvent?

29. © NTScience.co.uk 2005KS3 Unit 7h - Solutions29 A14. Solubility

30. © NTScience.co.uk 2005KS3 Unit 7h - Solutions30 Q15. Name a chemical compound that has a sweet taste?

31. © NTScience.co.uk 2005KS3 Unit 7h - Solutions31 A15. Sugar

32. © NTScience.co.uk 2005KS3 Unit 7h - Solutions32 Well Done! Now check your score