Chemistry
Chemistry
Chemistry
Chemistry
Chemistry
100
Organic chemistry is the study of substances containing:
What is carbon.
100
Examples of organic substances include:
What is pesticides.
100
Matter is any substance that:
What is occupies space.
100
The particles from which all matter is composed are:
What is atoms.
100
Two or more atoms of the same element that are united chemically form a/an:
What is elemental molecule.
200
When water boils, it is changing from one state of matter to another, from:
What is liquid to gas.
200
When a physical change occurs in a subsance, there is:
What is a change in physical properties.
200
The action of permanent haircolor is an examples of a:
What is chemical change.
200
Water is an ecample of a/an:
What is chemical compound.
200
Salt water and fruit salad are examples of a/an:
What is a physical mixture.
300
A blended mixture of two or more solids, liquids, or gases is a/an:
What is a solution.
300
Liquids that can be mixed together in any proportion without separating are:
What is s miscible.
300
A substance that dissolves another substance to form a solution, with no change in chemical compostion, is a/an:
What is a solvent.
300
A mixture that must be shaken or mixed well before using is a/an:
What is suspension.
300
Emulsions most used in a salon are:
What is oil-in-water emulsions.
400
Emulsions are mixtures of two or more:
What is immiscible substances.
400
The head of a surfactant molecule is water-loving, or:
What is hydrophilic.
400
Substances that are often used instead of ammonia in hair products because their odor is not as strong as:
What is alkanolamines.
400
A colorless gas with a strong ofor, composed of hydrogen and nitrogen, is:
What is ammonia.
400
In pure water, some of the molecules naturally ionize into hydrogen ions and:
What is hydroxide ions.
500
pH is only possible because of the ionization of:
What is water.
500
The pH is only possible because of the ionization of:
What is acidity and alkalinity.
500
Solutions with the pH below 7.0 are:
What is acidic.
500
Alkalis have a pH above 7.0 and:
What is often and swell the hair.
500
The average pH of hair and skin is:
What is five.
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