Review Chapter 1
Introduction: Matter and Measurement
1) If matter is uniform throughout, cannot be separated into other substances by physical processes,
but can be decomposed into other substances by chemical processes, it is called a (an)?
A) heterogeneous mixture B) element C) homogeneous mixture D) compound E)
mixture of elements
3) A separation process that depends on differing abilities of substances to form gases is called
A) filtration B) solvation C) distillation D) chromatography E) all of the above are
correct
5) The SI unit of temperature is
A) K B) °C C)t D)T
7)
"Absolute zero" refers to
A) 0 Kelvin B) 0° Celsius C) 273.15 °C
9) A certain liquid has a density of 2.67 g/cm3. 1340 g of this liquid would occupy a volume
of
L.
A) 1.99x103 B) 50.2 C) 3.58 D) 35.8 E) 0.502
11) The correct answer (reported to the proper number of significant figures) to the following is
6.3 X 3.25 =
A) 20. B) 20.475 C) 20.48 D) 20.5 E) 21 E) none of the above
(0.002843)(12.80184)
13)
0.00032
A) 113.73635 B) 113.736 C) 113.74 D) 113.7 E) 1.1x102
15) In the following list, only
is not an example of matter.
A) planets B) light C) dust D) elemental phosphorus E) table salt
17) A combination of sand, salt, and water is an example of a
A) homogeneous mixture B) heterogeneous mixture C) compound D) pure substance E)
solid
19) Which one of the following is often easily separated into its components by simple
techniques such as filtering or decanting?
A) heterogeneous mixture B) compounds C) homogeneous mixture D) elements E)
solutions
21) Homogeneous mixtures are also known as
A) solids B) compounds C) elements D) substances E) solutions
23) Which one of the following is not an intensive property?
A) density B) temperature C) melting point D) mass E) boiling point
25) Precision refers to
A) how close a measured number is to other measured numbers
B) how close a measured number is to the true value
C) how close a measured number is to the calculated value
D) how close a measured number is to zero
E) how close a measured number is to infinity
27) How many significant figures should be retained in the result of the following calculation?
12.00000 X 0.9893 +13.00335 × 0.0107
A) 2 B) 3 C) 4 D) 5 E) 6
29) The width, length, and height of a large, custom-made shipping crate are 1.22 m, 3.22 m, and
0.83 m, respectively. The volume of the box using the correct number of significant figures is
A) 3.26057 B) 3.3 C) 3.26 D) 3.261 E) 3.2606