Elements, Compounds, And Mixtures Question Preview (ID: 52975)


Classifying Matter. TEACHERS: click here for quick copy question ID numbers.

A pure substance made of two or more elements that are chemically combined is called a:
a) compound
b) suspension
c) solution
d) mixture

How is a mixture different from a compound?
a) Mixtures have two or more components.
b) Solids, liquids, and gases can form mixtures.
c) Mixtures are commonly found in nature.
d) Each substance in a mixture keeps most of its characteristic properties.

Which of the following would not increase the speed at which a solid (i.e., Nestle Quik) dissolves in water?
a) stirring or shaking the mixture
b) crushing the solid
c) adding more of the solid
d) heating the mixture

Metals, nonmetals, and metalloids are groups of:
a) alloys
b) elements
c) substances
d) compounds

Compounds are not random combinations of elements. They have a specific:
a) density
b) concentration
c) chemical composition
d) mass ratio

Which of the following substances can be separated into simpler substances (elements) only by chemical means?
a) sodium
b) gold
c) water
d) salt water

A(n) ____________________ can be separated by filtation.
a) Mixture
b) Compound
c) Molecule
d) Element

Which of the following are considered pure substances?
a) elements
b) neither elements nor compounds
c) both elements and compounds
d) compounds

Which of the following would NOT be considered a mixture?
a) Diet Coke
b) Fresh Orange Juice
c) Gold
d) River Water

Matter is anything that has _________ and takes up ________.
a) mass, space
b) color, odor
c) shape, atoms
d) mixtureweight, energy

The smallest unit of matter in this list is ________.
a) a gas
b) an atom
c) a cell
d) a molecule

This is made up of two different classes of substances; solutes (dry stuff) and solvents (liquid stuff):
a) Element
b) Compound
c) Molecule
d) Mixture

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