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Why should water temperature be kept the same in a soap experiment?

Answer and explanation

Correct answer: So only the effect of soap amount is tested

Water temperature may also affect stain removal so it should be kept the same. In exams control additional influential factors.

Related tags

Water-TemperatureControlled-VariableSoapVariables In An ExperimentExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScienceClass 9 Mcq

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