1) The following errors can occur when measuring mass of a substance and the balance is not properly zeroed before use. a) Systematic error b) Human error c) Random error d) Balance error e) Gross error f) Calculation 2) If a student repeats an experiment and gets very different results each time, what type of error might this indicate? a) Systematic error b) Human error c) Random error d) Measurement error e) Gross error f) Measuring error 3) An example of a systematic error in a chemical experiment a) Incorrectly reading the volume to parallax error b) mis-calibrated thermometer  c) Spilling of reactants during transfer d) Recording the wrong unit for a measurement e) Delaying to start the timer f) Misreading the thermometer 4) How can random errors be minimized in an experiment? a) By calibrating equipment properly b) By repeating the experiment multiple times and averaging the results c) By using more precise instruments d) By ensuring all measurements are taken at the same temperature e) Ignore anomalies f) Being careful 5) How can systematic errors be minimized in an experiment? a) By calibrating equipment properly b) By repeating the experiment multiple times and averaging the results c) By using more new instruments d) By ensuring all measurements are taken at the same temperature e) Ignore anomalies f) Being careful

Errors in Chemistry

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