Question 5
Citric acid reacts with sodium bicarbonate and the temperature falls. What kind of reaction is it?
The right answer is the one marked above.
Endothermic. A falling temperature means heat is being absorbed.
Lesson: Chapter 8 — Heat changes in chemical reactions
This erases every answer in this set and starts you again at question one. Your score will be gone.
Type these four numbers to confirm:
Those numbers don't match. Look at them again and type them.
Citric acid reacts with sodium bicarbonate and the temperature falls. What kind of reaction is it?
The right answer is the one marked above.
Endothermic. A falling temperature means heat is being absorbed.
This browser is not saving your answers, so no total can be shown.
Answer the question to continue.