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A-Level Chemistry Questions
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The OCR A Chemistry specification splits the content into 6 modules:

(1) Development of practical skills in chemistry (2) foundations in chemistry (3) Periodic table and energy (4) Core organic chemistry (5) Physical chemistry and transition metals (6) Organic chemistry and analysis.
 

A-Level Chemistry Questions
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25 Questions

1. Why do the atoms have to be ionised in a mass spectrometer?

2. ________ is the enthalpy change to break 1 mole of covalent bonds with all species in their gaseous state to form gaseous atoms or free radicals.

3. The products when you react hydroxide ions with ammonium ions: ________

4. Why does diamond have a high melting point?

5. What happens if plane-polarised light interacts with a racemate?

6. NO2+

7. Polyamides are usually hydrolysed in ________ because using water is far too slow.

8. What is hydrogen bonding?

9. What is the mechanism called when going from alkane to a halogenoalkane?

10. How is iodine kept together in a crystal structure?

11. Reaction of sulfuric acid with alkenes, the first step requires:

12. What is this model called?

13. What is amphoteric?

14. Define stereoisomerism: ________

15. How can the yields of industrial processes be increased?

16. What is gypsum?

17. What is ?

18. Why do metals have a high melting point?

19. Explain why the melting point of sodium chloride is high. (2)

20. Oxidation products of iodide salts reacting with concentrated sulfuric acid and the half equation:

21. When a reaction is at equilibrium and the pressure is increased, ________

22. What is this functional group?

23. What colour are Cr3+ ions?

24. How does shielding affect ionisation energy?

25. Give a medical use for magnesium hydroxide.

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