11 & 21. Measurement, data processing & analysis (1)

IB Chemistry: 11 & 21. Measurement, data processing & analysis (1)

1. Which are reduced when repeated measurements of a physical quantity are made?A. both random and systematic errorsB. only systematic errorsC. only random errorsD. neither systematic nor random errors2. An experiment was performed to find the enthalpy change for a reaction. It was repeated several times to give consistent results. However when the average of the results was compared to the literature value there was...

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