Unit 1 Review - Matter Question Preview (ID: 43244)


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

Which of the following is an example of a heterogeneous mixture?
a) OJ with pulp
b) Air
c) Bromine
d) Sodium chloride

Which of the following is a physical change?
a) A wooden log burning.
b) A pot of water evaporating.
c) Two clear solutions forming a milky white solid.
d) Rust forming on a bicycle.

Which of the following is NOT an indicator of a chemical reaction?
a) Formation of a precipitate
b) Bubbles are produced
c) An odor is produced
d) Color change

Which of the following is NOT an intensive property of matter?
a) Color
b) Melting Point
c) Density
d) Volume

Which of the following is the SI base unit for length?
a) yard
b) centimeter
c) meter
d) kilogram

What is the purpose of using sig figs?
a) To calculate the density of a substance.
b) To annoy all chemistry students.
c) To determine if a measuring tool is usable.
d) To determine how precise a measurement can be.

How many sig figs are in the following measurement: 0.023000 mL?
a) 2
b) 6
c) 3
d) 5

How many sig figs are in the following measurement: 100.05 g?
a) 2
b) 3
c) 4
d) 5

If a block measures 5 x 5.0 x 4.66 m, how many sig figs can its calculated volume contain?
a) 1
b) 2
c) 3
d) 4

If I perform the following: 10.0 mL - 1.777 mL, how should I write the final answer?
a) 8 mL
b) 8.2 mL
c) 8.22 mL
d) 8.223 mL

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