Which of the following combinations would create the fastest chemical reactions?

Question

a
a crushed antacid tablet and vinegar at 25 degrees Celsius
b
a whole antacid tablet and vinegar at 25 degrees Celsius
c
a whole antacid tablet and vinegar at 50 degrees Celsius
d
a crushed antacid tablet and vinegar at 50 degrees Celsius

Answer 1

d) a crushed antacid tablet and vinegar at 50 degrees Celsius