1. N 3- 4 Nuclear Chemistry and Analysis1 2 3 4 5 6 7 8 9 10 11
Calderglen High School

2. Solar radiation Rocks Nuclear testing
1. Give some examples of background radiation?
answer
Solar radiation
Rocks
Nuclear testing
Calderglen High School

3. 2. What could you use to measure radiation?
answer
Geiger-Muller tube
Calderglen High School

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.
Calderglen High School

5. 4. Where are new elements formed?
answer
In the stars
Calderglen High School

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)
Calderglen High School

7. 6. What metal is present if you see a blue / green flame?
answer
Copper
(use your data book)
Calderglen High School

8. 7. What metal is present if you see a lilac flame?
answer
Potassium
(use your data book)
Calderglen High School

9. 8. What metal is present if you see a yellow flame?
answer
Sodium
(use your data book)
Calderglen High School

10. Calderglen High School
answer
 Glucose and Fructose
Calderglen High School

11. 10. What would you use to separate a liquid from a solid?
answer
Filtration
Calderglen High School

12. 11. What would you use to separate a mixture of gases or liquids?
answer
Distillation
Calderglen High School