Which of the. following describes a solution that contains buffer

answer:

sodium hydroxide, a base, is added to the solution, but the ph of the solution does not change. when we talk about a buffer solution it is about resistance in change of ph when small quantity of alkali or acid added to it. sodium hydroxide is a weak base so adding it to ph less than 7 is more likely to resist.

explanation:

answer; ///the above statement is (true);