MARKING GUIDE: Unit 3I1 – Chemical Analysis

1.	B
2.	D
3.	D
4.	C
5.	C
6.	B
7.	A
8.	C
9.	C
10.	A

11.
	C
12.

13.

14.

15.

16.

17.

18.

19.

20.

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