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

Solutions

KS3 Unit 7h - Solutions 2© NTScience.co.uk 2005

Q1. What is the most common solvent, necessary for life,

called?

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

A1. Water

KS3 Unit 7h - Solutions 4© NTScience.co.uk 2005

Q2. Name a solvent that is also used as a fuel for

cars

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

A2. Petrol

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?

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

A3. Mixture

KS3 Unit 7h - Solutions 8© NTScience.co.uk 2005

Q4. What do you call a liquid that contains a

dissolved solid?

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

A4. Solution

KS3 Unit 7h - Solutions 10© NTScience.co.uk 2005

Q5. What do you call a substance that can dissolve in a liquid?

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

A5. Soluble

KS3 Unit 7h - Solutions 12© NTScience.co.uk 2005

Q6. What do you call the liquid in which a

substance can dissolve?

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

A6. Solvent

KS3 Unit 7h - Solutions 14© NTScience.co.uk 2005

Q7. What do you call a substance that cannot dissolve in a particular

liquid?

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

A7. Insoluble

KS3 Unit 7h - Solutions 16© NTScience.co.uk 2005

Q8. What process do we use to separate colours in an ink, for example?

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

A8. Chromatography

KS3 Unit 7h - Solutions 18© NTScience.co.uk 2005

Q9. Name an alcohol present in beer, wine

and spirits?

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

A9. Ethanol

KS3 Unit 7h - Solutions 20© NTScience.co.uk 2005

Q10. Name the mixture of gases that forms the Earth’s atmosphere?

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

A10. Air

KS3 Unit 7h - Solutions 22© NTScience.co.uk 2005

Q11. What do you call a solution when no more substance will dissolve

in it?

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

A11. Saturated

KS3 Unit 7h - Solutions 24© NTScience.co.uk 2005

Q12. What process do we use to separate liquids which have

different boiling points?

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

A12. Distillation

KS3 Unit 7h - Solutions 26© NTScience.co.uk 2005

Q13. What process do we use to separate

insoluble solids from a liquid?

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

A13. Filtration

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?

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

A14. Solubility

KS3 Unit 7h - Solutions 30© NTScience.co.uk 2005

Q15. Name a chemical compound that has a

sweet taste?

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

A15. Sugar

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

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