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.
The bubbles seen when boiling water is not a chemical change. That's a physical change. So bubbles can indicate a chemical change but sometimes it just a liquid that's boiling or some dissolved gases coming out of solution. Lab 4 Experiment 1: Physical and Chemical Properties. Physical and Chemical Changes.