Question

According to Henry's law, a bottle of soda will fizz more when opened at
a. 1 mile below sea level
b. 1 mile above sea level
c. at sea level
d. none of these

Answer 1

B. the lower the external pressure compared to the pressure of the gas in the soda, the more the soda will fizz.

Answer 2

B

Answer 3

The air pressure is lower at high altitudes.
Just think in terms of diffusion ( high concentration to low conc. till it is equal).