HD Ch.12 ER - Basics of Chemistry

Inorganic chemistry is the study of substances that do not contain the element carbon, but may contain which element?

• Silicon

• Oxygen

• Hydrogen

• Nitrogen

A substance that cannot be broken down into simpler substances without a loss of identity is a(n):

• Compound

• Ion

• Molecule

• Element

Chemically combining two or more atoms in definite proportion forms a(n):

• Acid

• Molecule

• Mixture

• Solvent

A(n) __________ is a stable physical mixture of two or more substances in a solvent.

• solution

• emulsion

• compound

• element

A(n) __________ is a substance dissolved into a solution.

• solvent

• alkali

• solute

• acid

Liquids that are not capable of being mixed together to form stable solutions are considered:

• Emulsions

• Suspensions

• Miscible

• Immiscible

Unstable physical mixtures of undissolved particles in a liquid are:

• Suspensions

• Mixtures

• Solutes

• Emulsions

An unstable physical mixture of two or more immiscible substances plus a special ingredient is a(n):

• Suspension

• Emulsion

• Mixture

• Solution

A substance that allows oil and water to mix or emulsify is a(n):

• Reducing agent

• Surfactant

• Anion

• Cation

The tail of a surfactant molecule is oil-loving or:

• Miscible

• Immiscible

• Lipophilic

• Hydrophilic