IB CHEMISTRY PRACTICAL GUIDE (from UWCSEA Chemistry …

Feb 02, 2005 · ccc 3 cpn 1. ccp 2 cnn 1. ccn 2 ppn 1. cpp 2 pnn 0. ppp 1 nnn 0 ... Controlled variables- are the variables that remain the same, the things that you fix in order to maintain a fair test. SAMPLE- Planning A The requirements for all aspects of this criterion are fully satisfied. The level of achievement for all aspects is complete. ................
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