Intro To Chemistry - Chapter 1-3 Question Preview (ID: 5421)

Review For Chapter 1-3.[print questions]

An element's ability to react with acid is an example of
a) chemical property
b) pure substance
c) melting point
d) physical property

Which of the following is NOT an example of a physical change?
a) the explosion of fireworks
b) the sanding of a piece of wood
c) the melting of a Popsicle
d) the shaping of a gold bar

What is the best way to tell if a chemical change has taken place?
a) a composition change
b) a mixture separates into layers
c) the change is reversible
d) the matter changes color

Which o fthe following is NOT the result of a chemical change?
a) ground flour
b) digested food
c) rusted metal
d) soured milk

At higher temperatures,
a) particles in an object move faster
b) particles in an object have less energy
c) a gas contracts
d) gas particles bump into walls less often

When exercising, your body loses moisture in the form of sweat. What process happens to the sweat on your body?
a) condensation
b) evaporation
c) vapor pressure
d) sublimation

The reverse of condensation is
a) evaporation
b) sublimation
c) freezing
d) boiling

What is formed when particles of two or more substances are distributed evenly among each other
a) solution
b) element
c) suspension
d) compound

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 its characteristics properties

Which of the following is an example of a homogenous mixture?
a) milk
b) trail mix
c) salad dressing
d) pizza

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