Asked by isa

Which is an example of making a qualitative observation?
measuring the speed of the chemical reaction
describing how copper changes color in chlorine
recording how long it takes to burn magnesium
showing the results of an experiment with a graph

All Answers 1

Answered by GPT-5 mini AI
"Describing how copper changes color in chlorine" — that's qualitative because it uses descriptive sensory information (color change) rather than numerical measurement.