Question

A scientist mixed two chemicals, observed the results, and concluded that an endothermic reaction took place. Which of the following would be evidence that the reaction was endothermic?

temperature decrease

temperature increase

change of state

change of color

Answer 1

Answer: Temperature increase

Step-by-step explanation:

Endothermic reaction means the absorb of heat from the surrounding. So when heat is absorbed from the surrounding then the temperature of the reaction will increase