Electricity Chemistry Flashcards
The parts of the atom having a negative charge are the:
electrons
A substance made of two or more elements which combine physically rather than chemically is known as:
Mixture
The odor of a substance is an example of which type of property:
Physical
The lightest known element is:
Hydrogen
The relative density of a substance is also known as its:
specific gravity
The pH of the skin’s acid mantle ranges from:
4.5-6.0
A cosmetic solution containing a small quantity of solute in proportion to the solvent is called which type of solution?
Dilute
Permanent mixtures of two or more immiscible substances which are held in suspension with the aid of a binder are called:
emulsions
Substances such as glycerine that hold products together are known as:
Binders
Bases are also known as:
alkali
The specific gravity of a substance is also known as:
Relative density
The combustibility of a substance is an example of what type of property?
Chemical
A cosmetic solution that will not dissolve or take up more of the solute it already holds at a given temperature is classified as which type of solution?
Saturated
Ingredients in cosmetic products that function to dissolve ingredients are known as:
Solvents
Which one of the following ingredients is also known as baking soda?
sodium bicarbonate
The relative density of a substance refers to the substances density relative to:
water
The colorless gaseous element which occupies about 4/5 of the air is:
Nitrogen
The pH of pure water is:
7.0