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Ch1 practice test - Name Period Date CHAPTER 1 PRACTICE...

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Name: Period: Date: CHAPTER 1 PRACTICE TEST Questions 1-5 refer to the example and table below: A student conducts an experiment to determine the effect of adding milk of magnesia on the boiling temperature of water. The results are shown below. Sample Amount of Milk of Magnesia Boiling Temperature Sample 1 0 g 100.0° C Sample 2 2 g 102.3° C Sample 3 5 g 104.8° C Sample 4 10 g 107.5° C 1. Which is the independent variable in this experiment? a. Amount of milk of magnesia added c. Boiling temperature b. Volume of water d. Time required for water to boil 2. Which is the dependent variable in this experiment? 3. Which is a value that should remain constant for all samples in this experiment? 4. Which is the control in this experiment? 5. Which is a reasonable hypothesis for this experiment? a. If milk of magnesia is added to water, the water will boil at a higher temperature b. Milk of magnesia makes water boil c. If water is boiling, it must have milk of magnesia added to it d. If milk of magnesia is added to water, the water will get cloudy
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