Home
Boards
Past Papers
Blog
Back to Energy Changes in Chemistry
2 Beginner
2 Intermediate
1 Advanced
Question 1 of 5
Score: 0/—
★☆☆ Beginner
Which statement correctly describes an exothermic reaction?
A
It absorbs heat from the surroundings and has a positive ΔH.
B
It releases heat to the surroundings and has a negative ΔH.
C
It absorbs heat from the surroundings and has a negative ΔH.
D
It releases heat to the surroundings and has a positive ΔH.