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AQA -Trilogy / Combined Science
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AQA -Trilogy / Combined Science
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25 Questions

1. What type of radiation is least ionising?

2. What is the melting point of giant covalent structures?

3. What is the best way to extract a metal from its ore?

4. % yield

5. Direct current

6. What are products?

7. How many energy levels does a period 5 element have?

8. Most fuels

9. What blood vessel carries deoxygenated blood from the right ventricle to the lungs?

10. What is irradiation?

11. What are the 4 state symbols?

12. How can an alpha particle be written in a nuclear equation?

13. Ribosomes

14. The smallest part of an element that can exist

15. Sometimes diseases can interact and cause

16. Algae first produced oxygen about --- years ago...and soon after this - --- appeared in the atmosphere. Over the next billion years - plants evolved and the percentage of oxygen

17. When do cells differentiate in plants?

18. Atom economy

19. Infrared

20. What is meant by relative atomic mass?

21. Latent heat

22. The energy required to change 1kg of a substance from a liquid to a gas with no temperature change

23. All the group 1 elements are

24. How does alpha decay affect the mass and charge of the nucleus?

25. What type of cell are bacterial cells?