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In an experiment the number of bubbles was used as an indicator of reaction rate. How can the observation be made more objective?

Answer and explanation

Correct answer: Count the number of bubbles in a fixed time

Counting bubbles in a fixed time makes the observation quantitative and comparable. Keep the measurement duration constant.

Related tags

Objective-ObservationBubble-CountReaction-RateQuantitativeScientific Questions And ObservationsExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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