Chemistry
pH Scale
Solutions, Suspensions, & Emulsions
Neutralization & Redox Reactions
Chemical Safety
100

_____ is the simplest form of chemical matter and contains only one type of atom.

Element

100

A pH below 7 indicates a(n) __________ solution.

acidic

100

A _____________ is a stable, uniform mixture of two or more substances

solution

100

________ is a chemical reaction in which oxidation and reduction take place at the same time.

  Oxidation-reduction 



100

____ refers to how a substance is used and how much of it is used and is determined by overexposure.

Toxicity

200

_____ are subatomic particles with a positive charge.

Protons

200

_____ represents the quantity of hydrogen ions and its scale is used to measure acidity and alkalinity of substances.

  pH 



200

A ___________ is the substance that is dissolved in a solution.

solute

  

200

A(n) ____________________ is a chemical reaction that requires the absorption of energy or heat from an external source for the reaction to actually occur.

Endothermic Reaction 



200

A _____________ is a substance that causes or is believed to cause cancer.

carcinogen

300

______ is the science that deals with the composition, structures, and properties of matter and how matter changes under different condtions.

Chemistry

300

A pH above 7 indicates a(n) __________ solution.


alkaline 



300

______ are mutually soluble, meaning that they can be mixed together to form solutions.

  Miscible liquids 



300

A(n) _____________________ is when certain chemical reactions release energy in the form of heat.

  Exothermic Reaction 



300

_____ refers to how prolonged, repeated, or long-term exposure to certain product ingredients can cause sensitivity in some people.

 Overexposure 



400

A ___________ change is a change in the form of a substance without the creation of a new substance.

physical

400

A pH of 7 is a_________ solution.

neutral

400

_______ contain carbon and evaporate easily. They are used in hairspray, nail polish, base and top coats, and polish removers.

  Volatile organic compounds 



400

____ are substances that allow oil and water to mix, or emulsify.

Surfactants

400

Which of the following is NOT a guideline for storing chemicals?

  Chemicals can be left out if there is a designated dispensing area. 



500

Elements produced artificially through synthesis are called what?

synthetic elements

  

500

Measures the acidity and alkalinity of a substance. Has a range of 0-14.

pH Scale

500

_________ are unstable physical mixtures of undissolved particles in a liquid.

Suspensions

500

_____________ occur when an acid is mixed with an alkali in equal proportions, balancing the total pH and forming water (H2O) and a salt.

  Acid-alkali Neutralization Reactions 



500

The SDS category of "Stability and Reactivity" provides what?

information on the environmental, stability, and reaction risks associated with the product

  

M
e
n
u