Saturday 18 May 2013

Chemistry test chapter 15+16 (answer key)


1.d

2.c

3.d

4.b

5.c

6.d

7.d

8.a

9.c

10.d

11.c

12.d

13.a

14.c

15.c

16.c

17.d

18.b

19.b

20.d

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