New 21st century Chemistry Supplementary Exercises

wong4

New 21st century Chemistry Supplementary Exercises (compulsory part)
1A, 1B. 1C  
Solution guide to supplementary exercises Topics 1 - 3
(1C have 8 pages pen writing)

New 21st century Chemistry Supplementary Exercises (compulsory part)
2A, 2B, 2C
Solution guide to supplementary exercises Topics 4 - 6
(2A have 1/4 and 1C have 15 pages pen writing)

$50 (total nine books)

wong4