Chemistry Chapter 5 Flashcards
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Questions and Answers

What are the primary ingredients of most shampoo?

  • Both A and B (correct)
  • Deionized water
  • Pure water
  • Organic substances
  • What type of hair is formed by protein chains that connect to other protein chains?

    Human hair

    What is designed to treat scalp and hair problems or disorders?

    Medicated shampoo

    What are examples of a physical change?

    <p>All of the above</p> Signup and view all the answers

    What has a pH of 7 and is considered neutral?

    <p>Distilled water</p> Signup and view all the answers

    What can be recommended for a person who is ill and bedridden to wash their hair?

    <p>Powder dry shampoo</p> Signup and view all the answers

    What is formed when two or more non-mixable substances are united with the help of a binder?

    <p>Emulsion</p> Signup and view all the answers

    What is a substance that is able to dissolve another substance?

    <p>A solvent</p> Signup and view all the answers

    What are the building blocks of amino acids?

    <p>Carbon, nitrogen, oxygen, and hydrogen</p> Signup and view all the answers

    What is usually alkaline and not recommended for color-treated or damaged hair?

    <p>A plain shampoo</p> Signup and view all the answers

    What are the main ingredients found in most neutralizers?

    <p>Hydrogen peroxide, sodium perborate, or sodium bromate</p> Signup and view all the answers

    What is comprised of atoms?

    <p>All matter</p> Signup and view all the answers

    What would a client’s natural hair pH be after it has been permed, colored, sculpted, and designed properly within the past three months?

    <p>4.5 to 5.5</p> Signup and view all the answers

    What is used by salon professionals and classified as an oil-in-water emulsion?

    <p>Generally, the emulsions</p> Signup and view all the answers

    What has more positive hydrogen ions than negative hydroxide ions?

    <p>An acidic solution</p> Signup and view all the answers

    What substance is classified as a chemical change?

    <p>A permanent hair color</p> Signup and view all the answers

    What are the main chemical ingredients found in alkaline waves?

    <p>Thioglycolic acid</p> Signup and view all the answers

    Study Notes

    Shampoo and Hair Care

    • Most shampoos primarily consist of deionized or pure water.
    • Medicated shampoo is formulated to address specific scalp and hair disorders.
    • Human hair is formed by intricate protein chains linked through various bonds.

    Physical and Chemical Changes

    • A haircut and using a blow dryer represent physical changes, which do not alter the hair's chemical structure.
    • Emulsions consist of two or more non-mixable substances combined with a binder.
    • Permanent hair color procedures are classified as chemical changes.

    pH Levels and Products

    • Distilled water has a neutral pH of 7.
    • Clarifying shampoos typically have higher alkalinity to effectively remove product buildup and dirt.
    • Acid-balanced shampoos are designed to match the pH of hair and skin.

    Molecules and Solvents

    • Molecules are formed by the bonding of two or more atoms.
    • Solvents dissolve other substances, essential for various products.

    Surfactants and Cleaning Agents

    • Surfactants possess lipophilic and hydrophilic properties for removing oil from hair.
    • Shampoo cleanses the hair and scalp, eliminating foreign matter without causing harm.

    Ingredients and Compounds

    • Temporary hair colors contain certified colors for styling.
    • Common ingredients in neutralizers include hydrogen peroxide, sodium perborate, and sodium bromate.
    • The primary ingredient in alkaline waves is thioglycolic acid, while acid waves use glyceryl monothioglycolate.

    Amino Acids and Proteins

    • Amino acids, made from carbon, nitrogen, oxygen, and hydrogen, join to form proteins.
    • Side bonds play a crucial role in holding protein chains together, contributing to hair structure.

    Solutions

    • Solutions consist of two or more types of molecules that are evenly dispersed.
    • An acidic solution has more positive hydrogen ions than negative hydroxide ions, indicating its acidic nature.

    Miscellaneous

    • Powder dry shampoo is an option for those unable to wash hair regularly due to illness.
    • Understanding the chemical makeup of hair and the products used is vital for effective hair care and maintenance.

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    Description

    Test your knowledge with these flashcards focused on the key concepts from Chapter 5 of Chemistry. Covering essential ingredients in shampoo and the properties of human hair, this quiz is perfect for reviewing important information in chemistry. Prepare for exams or solidify your understanding today!

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