Question

if poisen expired it will become less poisenes or more poisenes​

Answer 1

it can become less poisonous, it can become more poisonous, but poison is always poison. Because it depends on the type of poison it is.

Answer 2

Explanation:

Science is not a puzzle , the only proper and right answer is the trial and error. It depend on the poison if it is oxidized the result will be more toxin.