PRACTICE questions (paper 1:past papers). Topic 11.1: Uncertainties and Errors in measurements.

Описание: Chemistry IB tutorial lessons, covers the IB topics in details and explains the concepts in an easy way. Past papers ideas and study tips are given to enable you success in the IB external exams, and to get a level of 7 in chemistry. Learning chemistry could be easy! Watch this tutorial lesson and get started!
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