Soft drinks have a pH under 7.
Soft drinks contain carbon dioxide (CO2) which is acidic if it mixes with water. Also, gas are more hardly to dissolve in water when the temperate increase. When we boiled the soft drink, the amount of carbon dioxide inside decreased. Thus the pH value of soft drink has increase after boiling.
Soft drinks are generally acidic.
For one to test whether a soft drink is acidic,neutral or basic, You would have to first know the pH of the drink. Mehtyl orange and phenolphthalene when used in the soft drink will give a precise colour.
7 UP
most likely water
Seven up is an acidic soft drink (pH=approx. 4).
lemon juice, soft drink, milk
Alka-Seltzer has a pH of around 9, so the pH itself won't kill you. Whatever is in it making it have that pH might.
3.16 * 10^-3
Depending on kind and brand between 2.5 and 4.5 when carbonated and juicy
PH is 12
A soft drink is $20.