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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

32. KS3 Unit 7h - Solutions 32© NTScience.co.uk 2005
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