Answer:
Boiling point.
Explanation:
d. endothermic change as
heat is added to solid ice to change it to liquid water
1 x 10⁻³.
∵ pH = - log[H⁺]
3 = - log[H⁺].
log[H⁺] = -3.
∴ [H⁺] = 1 x 10⁻³.
