GALLAGHER, R. a P. INGRAM. Chemistry Made Clear. GCSE ed. Oxford: Oxford University Press, 1987. Questions: 83/1-3, 101/1, 103/2 , 105/1-3, 141/1, 2, 4, 6, 143/2, 3, 5, 145/1-5, 147/1-9, 149/2, 149/7, 153/1, 2, 159/1, 2, 163/1-6, 171/1, 173/1, 2, 175/1, 187/2, 5, 195/3, 4, 197/1-4 GALLAGHER, R. a P. INGRAM. Chemistry Made Clear. GCSE ed. Oxford: Oxford University Press, 1987. Questions: 83/1-3, 101/1, 103/2 , 105/1-3, 141/1, 2, 4, 6, 143/2, 3, 5, 145/1-5, 147/1-9, 149/2, 149/7, 153/1, 2, 159/1, 2, 163/1-6, 171/1, 173/1, 2, 175/1, 187/2, 5, 195/3, 4, 197/1-4 GALLAGHER, R. a P. INGRAM. Chemistry Made Clear. GCSE ed. Oxford: Oxford University Press, 1987. Questions: 83/1-3, 101/1, 103/2 , 105/1-3, 141/1, 2, 4, 6, 143/2, 3, 5, 145/1-5, 147/1-9, 149/2, 149/7, 153/1, 2, 159/1, 2, 163/1-6, 171/1, 173/1, 2, 175/1, 187/2, 5, 195/3, 4, 197/1-4 GALLAGHER, R. a P. INGRAM. Chemistry Made Clear. GCSE ed. Oxford: Oxford University Press, 1987. Questions: 83/1-3, 101/1, 103/2 , 105/1-3, 141/1, 2, 4, 6, 143/2, 3, 5, 145/1-5, 147/1-9, 149/2, 149/7, 153/1, 2, 159/1, 2, 163/1-6, 171/1, 173/1, 2, 175/1, 187/2, 5, 195/3, 4, 197/1-4 GALLAGHER, R. a P. INGRAM. Chemistry Made Clear. GCSE ed. Oxford: Oxford University Press, 1987. Questions: 83/1-3, 101/1, 103/2 , 105/1-3, 141/1, 2, 4, 6, 143/2, 3, 5, 145/1-5, 147/1-9, 149/2, 149/7, 153/1, 2, 159/1, 2, 163/1-6, 171/1, 173/1, 2, 175/1, 187/2, 5, 195/3, 4, 197/1-4 GALLAGHER, R. a P. INGRAM. Chemistry Made Clear. GCSE ed. Oxford: Oxford University Press, 1987. Questions: 83/1-3, 101/1, 103/2 , 105/1-3, 141/1, 2, 4, 6, 143/2, 3, 5, 145/1-5, 147/1-9, 149/2, 149/7, 153/1, 2, 159/1, 2, 163/1-6, 171/1, 173/1, 2, 175/1, 187/2, 5, 195/3, 4, 197/1-4