Chapter 7 Milady Barbering Review Questions for Kentucky Barber's Exam Questions with A+ Rated Solutions

Define organic and inorganic chemistry - SOLUTION -Organic chemistry- is the study of substances that contain the element carbon; all living things are made of compounds that contain carbon. Inorganic chemistry- is the study of substances that do not contain carbon but may contain hydrogen. List the three states of matter - SOLUTION -Solid, liquid, and gas Compare elements and atoms, compounds, and mixtures - SOLUTION -Element contains just one type of atom. Compound contains two or more different atoms joined together. Mixture contains two or more different substances that are only physically joined together, not chemically. Mixture can contain both elements and compounds. Explain the two ways in which matter can be changed - SOLUTION -Physical change: change is physical properties of a substance without a chemical reaction or the creation of a new substance Chemical change: change is chemical composition or makeup of a substance Explain oxidation-reduction (redox) reactions - SOLUTION -Oxidation and reduction always happens simultaneously; the oxidizing agent is always reduced and the reducing agent is always oxidized