Unit One Review Question Preview (ID: 42932)


Unit One Review. TEACHERS: click here for quick copy question ID numbers.

Which of the following is NOT a pure substance?
a) mercury
b) apple juice
c) liquid oxygen
d) iron filings

Homogeneous mixtures can also be called ____.
a) reactants
b) products
c) controls
d) solutions

Which of the following is true of qualitative measurements?
a) They are numeric.
b) They are objective.
c) They are subjective.
d)

Water is a(n) ____.
a) compound
b) element
c) homogeneous mixture
d) heterogeneous mixture

Choose the property from the list that is not a physical property.
a) rusting
b) color
c) density
d) melting point

A chemical change occurs when a piece of wood ____.
a) is split
b) is painted
c) decays
d) is cut

During a laboratory activity, a student combined two solutions. In the lab report, the students wrote 'A yellow color appeared.' The statement represents the student's recorded ______.
a) conclusion
b) observation
c) hypothesis
d) theory

What is solubility?
a) a physical property
b) a physical change
c) a chemical property
d) a chemical change

Choose a physical change from the following:
a) synthesizing
b) dissolving
c) burning
d) decomposing

Which of the following is NOT a physical property of matter?
a) viscosity
b) density
c) flammability
d) solubility

What is the final material called in a chemical reaction?
a) Reactants
b) Products
c) Color
d) Bubbling

Which of the following is NOT an inference?
a) Jane loves Bobby.
b) Jane dresses poorly.
c) Scott's writing is sloppy.
d) Scott writes in cursive.

Which of the following is a homogeneous mixture?
a) blood
b) sand and water
c) chicken noodle soup
d) blueberry pancakes

All of the following changes to a metal are physical changes EXCEPT:
a) bending
b) melting
c) rusting
d) cutting

Which of the following is NOT an example of matter?
a) air
b) heat
c) smoke
d) water

What is the original material of a chemical reaction called?
a) condensing molecules
b) products
c) yielders
d) reactants

Which of the following substances is an element?
a) baking soda
b) glucose
c) sodium
d) apple juice

Which of the following is a chemical property of matter?
a) viscosity
b) density
c) flammability
d) solubility

What is a liquid's resistance to flow?
a) conductivity
b) precipitate
c) malleability
d) viscosity

Which is a qualitative measurement?
a) color
b) mass
c) time
d) length

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