Esthetics Oregon State Board Review Exam With 100% Correct Answers 2023/24

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Organic chemistry - Correct Answer-Is the study of substances that contain the element carbon such as gasoline plastics synthetic fibers pesticides and fertilizers. LIVING THINGS Inorganic chemistr... y - Correct Answer-Is the branch of chemistry dealing with compounds that do not contain the element carbon such as metals, minerals, glass, pure water, and air Matter - Correct Answer-Is any substance that occupies space and has mass examples are form of a solid liquid or gas. Matter has physical properties that we can touch, taste, smell, or see. Elements - Correct Answer-Is the simplest form of a chemical matter. It cannot be broken down into her simpler substance without a loss of identity. Atoms - Correct Answer-Are particles from which all matter is composed. An atom is the smallest particle of an element that is still remains properties of that element. Molecules - Correct Answer-Is formed by joining two or more atoms chemically. There are two types of molecules, elemental molecules, and compound molecules. Elemental molecules - Correct Answer-Contains two or more atoms of the same element that are united chemically. Compound molecules - Correct Answer-Are chemical combinations of two or more atoms of different elements that are united chemically. States of matter - Correct Answer-Solid, liquid, and gas. Solids - Correct Answer-Have a definite size and a definite shape Liquids - Correct Answer-Have a definite size but not a definite shape Gases - Correct Answer-Do not have a definite size and do not have a definite shape. Physical properties - Correct Answer-Are characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the identity of the substance. Such as color, or odor, weight, density, specific gravity, melting point, boiling point, and hardness. Chemical properties - Correct Answer-Are characteristics that can be determined only with a chemical reaction and that cause a chemical change in the identity of a substance. Matter can be changed in how many ways? - Correct Answer-Two. Physically and chemically Physical change - Correct Answer-Is a change in the form or physical properties of a substance without the formation of a new substance. Chemical change - Correct Answer-Is a change in the chemical composition of a substance, in which a new substance or substances are formed having properties from the original. Hydrogen - Correct Answer-Is colorless, odorless, tasteless gas and is the lightest element known. Oxygen - Correct Answer-Is the most abundant elements found on earth, is colorless, odorless, tasteless gas. Hydrogen peroxide - Correct Answer-A chemical compound of hydrogen and oxygen, is colorless liquid with the characteristic order and a slightly acidic taste. PH scale - Correct Answer-Is a scale that measures the acidity and alkalinity of substances 0-14. A pH below seven is a - Correct Answer-Acidic solution A ph above 7 - Correct Answer-Is an alkaline solution And ion is a? - Correct Answer-Adam or molecule that carries an electric charge Ionization - Correct Answer-Causes an Adam or molecule to split into, carrying a pair of ions and positive electrical charges. An ion with a negative electrical charge is a? - Correct Answer-Anion An ion with a positive electrical charge is a? - Correct Answer-Cation Acids - Correct Answer-Are substances that have a pH below 7.0, taste sour, and turn litmus paper from blue to red. Alkalis - Correct Answer-Also known as bases, have a pH above 7.0, taste bitter, and turn litmus paper from red to blue. Acid mantle - Correct Answer-Is a protective barrier against certain forms of bacteria and other microorganisms. Antioxidants - Correct Answer-Are used to stabilize skin care products by preventing oxidation that would otherwise cause a product to turn rancid and decompose Antioxidants prevent oxidation by neutralizing? - Correct Answer-Free radicals Free radicals - Correct Answer-Are super oxidizers that cause in oxidation reaction that produces a new free radical in the process Oxidize - Correct Answer-Combine or cause a substance to combined with oxygen Solutions - Correct Answer-A uniform mixture of two or more mutually miscible substances [Show More]

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