Regents Prep: Chemistry Multiple-Choice Questions

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Question 36 of 37   Physical Behavior of Matter

This question may require the use of the Chemistry Reference Tables or the Periodic Table of Elements. A solid is dissolved in a beaker of water. Which observation suggests that the process is endothermic?  1.  The solution gives off a gas.  2.  The solution changes color.  3.  The temperature of the solution decreases.  4.  The temperature of the solution increases.

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