Which if the following is a base
A) substance d contains carbon hydrogen oxygen and nitrogen
b) substance b gives off OH- ions that combine with H+ ions when dissolved in water
C) substance c is formed drom the reaction of an acid and base
d) substance a gives off H+ ions that combine with OH- ions when dissolved in water

Respuesta :

0dessa
The answer is B. 

neutral: OH- = H+
acid: H+ > OH-
base OH- > H+