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Questions and Answers
Which variable was manipulated in the experiment?
Which variable was manipulated in the experiment?
- The stirring of the containers
- The amount of chemical X
- The temperature of the acid (correct)
- The volume of the acid
What was the purpose of stirring two of the containers?
What was the purpose of stirring two of the containers?
- To prevent evaporation
- To measure the rate of reaction (correct)
- To observe the color change
- To create a chemical reaction
What was the purpose of using four identical containers?
What was the purpose of using four identical containers?
- To ensure equal distribution of the acid
- To increase the accuracy of the measurements (correct)
- To compare the reaction rates
- To create a control group
What was the purpose of adding dilute hydrochloric acid to the containers?
What was the purpose of adding dilute hydrochloric acid to the containers?
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What was the purpose of adding warm and cold acid to the containers?
What was the purpose of adding warm and cold acid to the containers?
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What was the difference between the stirred and not stirred containers?
What was the difference between the stirred and not stirred containers?
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