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Milady Chapter 12 / Basics of Chemistry / Test Questions And Answers!!
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Milady Chapter 12 / Basics of Chemistry / Test Questions And Answers!!
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Name: Score:59 Multiple choice questions
Term 1 of 59
chemical change
A physical combination of matter in any proportions.
A chemical combination of matter in definite (fixed) proportions.
A change in the chemical composition or make-up of a substance.
The separation of an atom or molecule into positive and negative ions.
Term 2 of 59
O2 = Oxygen, O3 = Ozone
examples of elemental molecules (2 or more atoms of the same element)
molecule containing two or more atoms of the same element in definite (fixed) proportions.
examples of compound molecules (2 or more atoms of different elements)
a chemical combination of two or more atoms in definite (fixed) proportions.
Definition 3 of 59
Colorless gas with a pungent odor that is composed of hydrogen and nitrogen.
urea
ammonia
surfactants
glycerin
,Definition 4 of 59
Rapid oxidation of a substance, accompanied by the production of heat and light
combustion
reduction
ionization
oxidation
Definition 5 of 59
Molecule containing two or more atoms of the same element in definite (fixed) proportions.
physical mixture
chemical properties
elemental molecule
compound molecules
Term 6 of 59
ionization
The process through which oxygen is subtracted from or hydrogen is added to a substance
through a chemical reaction.
The three different physical forms of matter - solid, liquid, and gas.
Rapid oxidation of a substance, accompanied by the production of heat and light
The separation of an atom or molecule into positive and negative ions.
, Term 7 of 59
solution
The substance that is dissolved in a solution.
The separation of an atom or molecule into positive and negative ions.
A stable physical mixture of two or more substances.
The substance that is dissolved in a solution.
Term 8 of 59
pH scale
The process through which oxygen is subtracted from or hydrogen is added to a substance
through a chemical reaction.
A measure of the acidity and alkalinity of a substance; the pH scale has a range of 0-14, with
7 being neutral. A pH below 7 is an acidic solution; a pH above 7 is an alkaline solution.
An ingredient that brings two normally incompatible materials together and binds them
into a uniform and fairly stable blend.
A change in the chemical composition or make-up of a substance.
Term 9 of 59
acidic solution
A stable physical mixture of two or more substances.
A solution that has a ph above 7.0 (neutral).
A solution that has a pH below 7.0 (neutral).
Chemical reactions that release a significant amount of heat.
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