1. N 4 Nuclear Chemistry and Analysis1 2 3 4 5 6 7 8 9 10 11 12
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2. Cosmic radiation Rocks Nuclear testing Medical uses
1. Give some examples of background radiation?
answer
Cosmic radiation
Rocks
Nuclear testing
Medical uses
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3. 2. What could you use to measure radiation?
answer
Geiger-Muller tube
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4. Two “light” nuclei join together releasing energy.
3. Nuclear fusion takes place in the sun. Briefly describe what happens in this process.
answer
Two “light” nuclei join together releasing energy.
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5. 4. Where are new elements formed?
answer
In the stars
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6. 5. How could you measure the pH of a substance?
answer
pH paper or universal indicator – add to sample, check colour, compare to colour chart.
pH meter (electronic method)
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6. What metal is present if you see a blue / green flame? (use your data book)
answer
Copper
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7. What metal is present if you see a lilac flame? (use your data book)
answer
Potassium
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8. What metal is present if you see a yellow flame? (use your data book)
answer
Sodium
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answer
 Glucose and Fructose
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11. 10. What would you use to separate a liquid from a solid?
answer
Filtration
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12. 11. What would you use to separate a mixture of gases or liquids?
answer
Distillation
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12. What would you use to prepare a solid sample from an aqueous solution (something dissolved in water)?
answer
Evaporation
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