Unit One Review Question Preview (ID: 42932)
Unit One Review.
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Which is a qualitative measurement?
a) color
b) mass
c) time
d) length
What is a liquid's resistance to flow?
a) conductivity
b) precipitate
c) malleability
d) viscosity
Which of the following is a chemical property of matter?
a) viscosity
b) density
c) flammability
d) solubility
Which of the following substances is an element?
a) baking soda
b) glucose
c) sodium
d) apple juice
What is the original material of a chemical reaction called?
a) condensing molecules
b) products
c) yielders
d) reactants
Which of the following is NOT an example of matter?
a) air
b) heat
c) smoke
d) water
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 inference?
a) Jane loves Bobby.
b) Jane dresses poorly.
c) Scott's writing is sloppy.
d) Scott writes in cursive.
What is the final material called in a chemical reaction?
a) Reactants
b) Products
c) Color
d) Bubbling
Which of the following is NOT a physical property of matter?
a) viscosity
b) density
c) flammability
d) solubility
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
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
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
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