Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Foundations
Chapter 6
| Question | Answer |
|---|---|
| What type of chemical reaction requires the absorption of energy or heat from an external source for the reaction to actually occur? | Endothermic reactions |
| As a basic unit of matter, _______ cannot be divided into simpler substances, by ordinary chemical means. | ATOMS |
| Volatile organic compounds contain _____ and evaporate very easily. | Carbon |
| Among the following choices acids would most likely be used to ______ | Exfoliate the skin |
| An example of an elemental molecule is ______ | Atmospheric oxygen |
| What type of chemical reaction balances, pH and results in the production of water and a salt? | Acid ALKALI neutralization reactions |
| Oxidation and reduction always occur simultaneously and are referred to as _____ reaction. | REDOX |
| Rusting, iron and burning wood are examples of a change and what type of properties? | Chemical changes |
| An example of a physical change is ________ | Ice melting to water |
| When oxygen is chemically combined with a substance, the substance is _____ | Oxidized |
| The safety data sheet (SDS) contains ____ categories of information. | 16 |
| H is the symbol for which element? | Hydrogen |
| Which of the following are the basic building blocks of all matter? | ATOMS |
| On a safety data sheet(SDS) which category would include risks of exposure, related symptoms, and acute and chronic effects? | Toxicological information |
| The location used for mixing chemicals must be ______ | Well vented |
| Alkalis tend to _____ the hair. | Soften and swell |
| Which of the following is defined as anything that occupies space (volume) and has mass (weight)? | Matter |
| There are 118 different elements known to science today. How many of these are naturally occurring on earth? | 98 |
| ____ refers to either the loss of oxygen or the addition of hydrogen period. | Reduction |
| As part of the safety data sheet (SDS) categories, first aid measures include important symptoms/effects, as well as ______ | First aid instructions |
| ______ as alkalis, are compounds of hydrogen, a metal and oxygen. | Basis |
| What does a PH below seven indicate? | Acidic solution |
| The letters PH denote _____ which is the relative degree of acidity or alkalinity of a substance. | Potential hydrogen |
| A ______ is a stable, uniform mixture of two or more mixable substances that is made by dissolving a solid, liquid or GASEOUS substance in another substance. | Solution |
| What is the average pH for hair and skin? | 5 |
| As an example of water– in – oil EMULSION is ____ | Cold cream emu lion lion |
| Which of the following allows oil and water to mix or emulsify by reducing surface tension? | SURFACTANTS0 my gosh |
| Solutions that do not contain water, such as alcohol or oil, do not have _____ | PH |
| A ______ charged ion is called AN ANIO | Negative |
| An unstable physical mixture of undissolved particles in a liquid, such as calamine lotion, is a: | Suspensions |
| Water-in-oil eMULSIONS feel _____ then oil-in-water EMULSIONS. | Greasier |
| The pH scale measures the concentration of hydrogen ions in acidic and alkaline ______ solutions. | Water-based |
| Which of the following is an example of a pure substance? | Salt |
| The tale of a SURFACTANT molecule is_____ or oil loving | Lipophilic |
| The pH scale is ______ | Logarithmic |
| ______ is the chemical reaction that combines a substance with oxygen to produce an oxide. | Oxidation |
| _____ are examples of EMULSIONS used in beauty services. | Facial creams |
| A reducing agent ______ | ADDS hydrogen to the chemical compound |
Created by:
princesalove