Question

Which of the following is the best definition of a base?

Bases are substances that donate protons,
Bases are substances that accept electrons.
Bases are any substances without hydroxide ions.
Bases are substances that release hydroxide ions.

Answer 1

its D

Step-by-step explanation:

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Answer 2

D

Step-by-step explanation:

A base contains many Hydroxide ions, so it would release Hydroxide ions.

This is how Google defines a base:

"In chemistry, bases are substances that, in aqueous solution, release hydroxide (OH−) ions, are slippery to the touch ..."