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CHE 111 C1--Matter And Measurement
Test Description: This game covers chapter 1 of your text--Matter and Measurement.
Instructions: Answer all questions to get your test result.
1) Sugar water is an example of a(n)
A
element
B
compound
C
heterogeneous mixture
D
homogeneous mixture
2) Burning is a * change, and boiling is a * change.
A
chemical, chemical
B
physical, chemical
C
chemical, physical
D
physical, physical
3) Properties that do not depend on the amount of a sample are
A
extensive
B
intensive
4) The SI unit of mass is
A
cg
B
g
C
mg
D
kg
5) If measurements agree with each other, but not the "true value" they are
A
accurate but not precise
B
precise but not accurate
C
neither accurate nor precise
D
both accurate and precise
6) How many significant figures are in the measurement 0.0120g?
A
5
B
3
C
2
D
4
7) Choose the answer to (6.221cm - 5.2 cm) with the proper number of significant figures.
A
1 cm
B
1.02 cm
C
1.021 cm
D
1.0 cm
8) Find the density of a metal bar has dimensions of 5.0 cm x 2.00 cm x 2.0 cm and a mass of 300.0 g. Use proper sig-figs.
A
1.5 x 10^1 g /cm3
B
1.5 x 10^-1 g / cm3
C
0.15 g / cm3
D
15.0 g / cm3
9) How many ng are in 1 gram?
A
1 x 10^-6
B
1 x 10^9
C
1 x 10^6
D
1 x 10^-9
10) How many mg are equal to 55 kg?
A
5.5 x 10^5
B
5.5 x 10^-5
C
5.5 x 10^7
D
5.5 x 10^-7
*select an answer for all questions
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