Which of the following is a strong base?
ethyl alcohol
ammonia
vinegar
O potassium hydroxide

potassium hydroxide

Step-by-step explanation:

try soting them out first

step-by-step explanation:

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

ya