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FREE AND STUDY GAMES ABOUT MILADY CH. 12 EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -56 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: emulsion
Answer:
an unstable physical mixture of two or more immiscible substances (substances that normally will not stay blended) plus a special ingredient called an emulsifier
Question 2: alpha hydroxy acids
Answer:
abbreviated AHA's; acids derived from plants (mostly fruit) that are often used to exfoliate skin
Question 3: pure substance
Answer:
a chemical combination of matter in definite (fixed) proportions
Question 4: thioglycolic acid
Answer:
a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
Question 5: physical properties
Answer:
characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the substance
Question 6: physical mixture
Answer:
a physical combination of matter in any proportion
Question 7: solvent
Answer:
the substance that dissolves the solute and makes a solution
Question 8: logarithm
Answer:
multiples of 10
Question 9: anion
Answer:
an ion with a negative electrical charge
Question 10: ionization
Answer:
the separation of an atom or molecule into positive and negative ions
Question 11: electrons
Answer:
subatomic particles with a negative charge
Question 12: pH
Answer:
the abbreviation used for potential hydrogen; pH represents the quantity of hydrogen ions
Question 13: organic chemistry
Answer:
the study of substances that contain the element carbon; is, or was at one time, alive
Question 14: oxidation-reduction
Answer:
also known as redox; a chemical reaction in which the oxidizing agent is reduced (by losing oxygen) and the reducing agent is oxidized (by gaining oxygen)
Question 15: ion
Answer:
an atom or molecule that carries an electrical charge
Question 16: states of matter
Answer:
the three different physical forms of matter: solid, liquid, and gas
Question 17: volatile organic compounds
Answer:
abbreviated VOCs; compounds that contain carbon (organic) and evaporate easily (volatile)
Question 18: combustion
Answer:
rapid oxidation of a substance accompanied by the production of heat and light
Question 19: oil-in-water emulsions
Answer:
abbreviated O/W emulsion; oil droplets emulsified in water
Question 20: matter
Answer:
any substance that occupies space and has mass
Question 21: volatile alcohols
Answer:
alcohols that evaporate easily
Question 22: physical change
Answer:
a change in the form or physical properties of a substance without a chemical reaction or the creation of a new substance
Question 23: cation
Answer:
an ion with a positive electrical charge
Question 24: chemical change
Answer:
a change in the chemical composition or make-up of a substance
Question 25: alkaline solution
Answer:
a solution that has a pH above 7.0
Question 26: glycolic acid
Answer:
an alpha hydroxyl acid used in exfoliation and to lower the pH of products
Question 27: ammonia
Answer:
colorless gas with a pungent odor that is composed of hydrogen and nitrogen
Question 28: oxidizing agent
Answer:
substance that release oxygen