GCIDE(0.00 / 0 votes)Rate this definition: recuse(v. i.) To withdraw oneself from serving as a judge or other decision-maker in order to avoid a real or apparent conflict of interest; -- often used with the reflexive; as, the judge recused himself due to a financial interest in the matter.
When hydrogen peroxide bubbles, it is undergoing a chemical change. Which statement best describes what is happening? The atoms in hydrogen peroxide are breaking apart and forming new types of molecules. Four students are analyzing four different substances and recording their findings in this table.
Peroxide is an actual chemical that degrades over time, so as long as it hasn't been open for like a week in a sunny area, you should be fine. Just know that this time is significantly shorter if the bottle was in sunlight, as UV light catalyses the reaction.