Ch.1 - Intro to General ChemistryWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Choose the pure substance from the list below.A. sea waterB. sugarC. airD. lemonadeE. milk


Choose the pure substance from the list below.

A. sea water
B. sugar
C. air
D. lemonade
E. milk


We're being asked to choose the pure substance from the list.

Recall that Matter can be categorized as a single or variable composition.

• Matter is considered a pure substance if it is composed of a single entity. Pure substances can be further categorized into two:

Element  cannot be separated into simpler substances or composed of only 1 type of atom (eg. O3, Cl2)
Compound  can be separated into simpler substances

• Matter is considered a mixture if they have variable composition. Mixtures are not chemically combined. Mixtures can be further categorized into two:

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